20987438760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{9803}}^1$

素因数の和:10152

約数の個数: 192

約数和(自身を含む): 72035870400

約数和(自身を除く): 51048431640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 313, 342, 360, 380, 456, 570, 626, 684, 760, 855, 939, 1140, 1252, 1368, 1565, 1710, 1878, 2280, 2504, 2817, 3130, 3420, 3756, 4695, 5634, 5947, 6260, 6840, 7512, 9390, 9803, 11268, 11894, 12520, 14085, 17841, 18780, 19606, 22536, 23788, 28170, 29409, 29735, 35682, 37560, 39212, 47576, 49015, 53523, 56340, 58818, 59470, 71364, 78424, 88227, 89205, 98030, 107046, 112680, 117636, 118940, 142728, 147045, 176454, 178410, 186257, 196060, 214092, 235272, 237880, 267615, 294090, 352908, 356820, 372514, 392120, 428184, 441135, 535230, 558771, 588180, 705816, 713640, 745028, 882270, 931285, 1070460, 1117542, 1176360, 1490056, 1676313, 1764540, 1862570, 2140920, 2235084, 2793855, 3068339, 3352626, 3529080, 3725140, 4470168, 5587710, 6136678, 6705252, 7450280, 8381565, 9205017, 11175420, 12273356, 13410504, 15341695, 16763130, 18410034, 22350840, 24546712, 27615051, 30683390, 33526260, 36820068, 46025085, 55230102, 58298441, 61366780, 67052520, 73640136, 92050170, 110460204, 116596882, 122733560, 138075255, 174895323, 184100340, 220920408, 233193764, 276150510, 291492205, 349790646, 368200680, 466387528, 524685969, 552301020, 582984410, 699581292, 874476615, 1049371938, 1104602040, 1165968820, 1399162584, 1748953230, 2098743876, 2331937640, 2623429845, 3497906460, 4197487752, 5246859690, 6995812920, 10493719380, 20987438760]

約数ペア:

[(1, 20987438760), (2, 10493719380), (3, 6995812920), (4, 5246859690), (5, 4197487752), (6, 3497906460), (8, 2623429845), (9, 2331937640), (10, 2098743876), (12, 1748953230), (15, 1399162584), (18, 1165968820), (19, 1104602040), (20, 1049371938), (24, 874476615), (30, 699581292), (36, 582984410), (38, 552301020), (40, 524685969), (45, 466387528), (57, 368200680), (60, 349790646), (72, 291492205), (76, 276150510), (90, 233193764), (95, 220920408), (114, 184100340), (120, 174895323), (152, 138075255), (171, 122733560), (180, 116596882), (190, 110460204), (228, 92050170), (285, 73640136), (313, 67052520), (342, 61366780), (360, 58298441), (380, 55230102), (456, 46025085), (570, 36820068), (626, 33526260), (684, 30683390), (760, 27615051), (855, 24546712), (939, 22350840), (1140, 18410034), (1252, 16763130), (1368, 15341695), (1565, 13410504), (1710, 12273356), (1878, 11175420), (2280, 9205017), (2504, 8381565), (2817, 7450280), (3130, 6705252), (3420, 6136678), (3756, 5587710), (4695, 4470168), (5634, 3725140), (5947, 3529080), (6260, 3352626), (6840, 3068339), (7512, 2793855), (9390, 2235084), (9803, 2140920), (11268, 1862570), (11894, 1764540), (12520, 1676313), (14085, 1490056), (17841, 1176360), (18780, 1117542), (19606, 1070460), (22536, 931285), (23788, 882270), (28170, 745028), (29409, 713640), (29735, 705816), (35682, 588180), (37560, 558771), (39212, 535230), (47576, 441135), (49015, 428184), (53523, 392120), (56340, 372514), (58818, 356820), (59470, 352908), (71364, 294090), (78424, 267615), (88227, 237880), (89205, 235272), (98030, 214092), (107046, 196060), (112680, 186257), (117636, 178410), (118940, 176454), (142728, 147045)]