20197767600

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4159}}^1$

素因数の和:4273

約数の個数: 360

約数和(自身を含む): 74838067200

約数和(自身を除く): 54640299600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 48, 50, 57, 60, 71, 72, 75, 76, 80, 90, 95, 100, 114, 120, 142, 144, 150, 152, 171, 180, 190, 200, 213, 225, 228, 240, 284, 285, 300, 304, 342, 355, 360, 380, 400, 426, 450, 456, 475, 568, 570, 600, 639, 684, 710, 720, 760, 852, 855, 900, 912, 950, 1065, 1136, 1140, 1200, 1278, 1349, 1368, 1420, 1425, 1520, 1704, 1710, 1775, 1800, 1900, 2130, 2280, 2556, 2698, 2736, 2840, 2850, 3195, 3408, 3420, 3550, 3600, 3800, 4047, 4159, 4260, 4275, 4560, 5112, 5325, 5396, 5680, 5700, 6390, 6745, 6840, 7100, 7600, 8094, 8318, 8520, 8550, 10224, 10650, 10792, 11400, 12141, 12477, 12780, 13490, 13680, 14200, 15975, 16188, 16636, 17040, 17100, 20235, 20795, 21300, 21584, 22800, 24282, 24954, 25560, 26980, 28400, 31950, 32376, 33272, 33725, 34200, 37431, 40470, 41590, 42600, 48564, 49908, 51120, 53960, 60705, 62385, 63900, 64752, 66544, 67450, 68400, 74862, 79021, 80940, 83180, 85200, 97128, 99816, 101175, 103975, 107920, 121410, 124770, 127800, 134900, 149724, 158042, 161880, 166360, 187155, 194256, 199632, 202350, 207950, 237063, 242820, 249540, 255600, 269800, 295289, 299448, 303525, 311925, 316084, 323760, 332720, 374310, 395105, 404700, 415900, 474126, 485640, 499080, 539600, 590578, 598896, 607050, 623850, 632168, 711189, 748620, 790210, 809400, 831800, 885867, 935775, 948252, 971280, 998160, 1181156, 1185315, 1214100, 1247700, 1264336, 1422378, 1476445, 1497240, 1580420, 1618800, 1663600, 1771734, 1871550, 1896504, 1975525, 2362312, 2370630, 2428200, 2495400, 2657601, 2844756, 2952890, 2994480, 3160840, 3543468, 3555945, 3743100, 3793008, 3951050, 4429335, 4724624, 4741260, 4856400, 4990800, 5315202, 5610491, 5689512, 5905780, 5926575, 6321680, 7086936, 7111890, 7382225, 7486200, 7902100, 8858670, 9482520, 10630404, 11220982, 11379024, 11811560, 11853150, 13288005, 14173872, 14223780, 14764450, 14972400, 15804200, 16831473, 17717340, 17779725, 18965040, 21260808, 22146675, 22441964, 23623120, 23706300, 26576010, 28052455, 28447560, 29528900, 31608400, 33662946, 35434680, 35559450, 42521616, 44293350, 44883928, 47412600, 50494419, 53152020, 56104910, 56895120, 59057800, 66440025, 67325892, 70869360, 71118900, 84157365, 88586700, 89767856, 94825200, 100988838, 106304040, 112209820, 118115600, 132880050, 134651784, 140262275, 142237800, 168314730, 177173400, 201977676, 212608080, 224419640, 252472095, 265760100, 269303568, 280524550, 284475600, 336629460, 354346800, 403955352, 420786825, 448839280, 504944190, 531520200, 561049100, 673258920, 807910704, 841573650, 1009888380, 1063040400, 1122098200, 1262360475, 1346517840, 1683147300, 2019776760, 2244196400, 2524720950, 3366294600, 4039553520, 5049441900, 6732589200, 10098883800, 20197767600]

約数ペア:

[(1, 20197767600), (2, 10098883800), (3, 6732589200), (4, 5049441900), (5, 4039553520), (6, 3366294600), (8, 2524720950), (9, 2244196400), (10, 2019776760), (12, 1683147300), (15, 1346517840), (16, 1262360475), (18, 1122098200), (19, 1063040400), (20, 1009888380), (24, 841573650), (25, 807910704), (30, 673258920), (36, 561049100), (38, 531520200), (40, 504944190), (45, 448839280), (48, 420786825), (50, 403955352), (57, 354346800), (60, 336629460), (71, 284475600), (72, 280524550), (75, 269303568), (76, 265760100), (80, 252472095), (90, 224419640), (95, 212608080), (100, 201977676), (114, 177173400), (120, 168314730), (142, 142237800), (144, 140262275), (150, 134651784), (152, 132880050), (171, 118115600), (180, 112209820), (190, 106304040), (200, 100988838), (213, 94825200), (225, 89767856), (228, 88586700), (240, 84157365), (284, 71118900), (285, 70869360), (300, 67325892), (304, 66440025), (342, 59057800), (355, 56895120), (360, 56104910), (380, 53152020), (400, 50494419), (426, 47412600), (450, 44883928), (456, 44293350), (475, 42521616), (568, 35559450), (570, 35434680), (600, 33662946), (639, 31608400), (684, 29528900), (710, 28447560), (720, 28052455), (760, 26576010), (852, 23706300), (855, 23623120), (900, 22441964), (912, 22146675), (950, 21260808), (1065, 18965040), (1136, 17779725), (1140, 17717340), (1200, 16831473), (1278, 15804200), (1349, 14972400), (1368, 14764450), (1420, 14223780), (1425, 14173872), (1520, 13288005), (1704, 11853150), (1710, 11811560), (1775, 11379024), (1800, 11220982), (1900, 10630404), (2130, 9482520), (2280, 8858670), (2556, 7902100), (2698, 7486200), (2736, 7382225), (2840, 7111890), (2850, 7086936), (3195, 6321680), (3408, 5926575), (3420, 5905780), (3550, 5689512), (3600, 5610491), (3800, 5315202), (4047, 4990800), (4159, 4856400), (4260, 4741260), (4275, 4724624), (4560, 4429335), (5112, 3951050), (5325, 3793008), (5396, 3743100), (5680, 3555945), (5700, 3543468), (6390, 3160840), (6745, 2994480), (6840, 2952890), (7100, 2844756), (7600, 2657601), (8094, 2495400), (8318, 2428200), (8520, 2370630), (8550, 2362312), (10224, 1975525), (10650, 1896504), (10792, 1871550), (11400, 1771734), (12141, 1663600), (12477, 1618800), (12780, 1580420), (13490, 1497240), (13680, 1476445), (14200, 1422378), (15975, 1264336), (16188, 1247700), (16636, 1214100), (17040, 1185315), (17100, 1181156), (20235, 998160), (20795, 971280), (21300, 948252), (21584, 935775), (22800, 885867), (24282, 831800), (24954, 809400), (25560, 790210), (26980, 748620), (28400, 711189), (31950, 632168), (32376, 623850), (33272, 607050), (33725, 598896), (34200, 590578), (37431, 539600), (40470, 499080), (41590, 485640), (42600, 474126), (48564, 415900), (49908, 404700), (51120, 395105), (53960, 374310), (60705, 332720), (62385, 323760), (63900, 316084), (64752, 311925), (66544, 303525), (67450, 299448), (68400, 295289), (74862, 269800), (79021, 255600), (80940, 249540), (83180, 242820), (85200, 237063), (97128, 207950), (99816, 202350), (101175, 199632), (103975, 194256), (107920, 187155), (121410, 166360), (124770, 161880), (127800, 158042), (134900, 149724)]