421456860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:721

約数の個数: 288

約数和(自身を含む): 1556755200

約数和(自身を除く): 1135298340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 19, 20, 22, 30, 33, 34, 36, 38, 44, 45, 51, 55, 57, 60, 66, 68, 76, 85, 90, 95, 99, 102, 110, 114, 132, 153, 165, 170, 171, 180, 187, 190, 198, 204, 209, 220, 228, 255, 285, 306, 323, 330, 340, 342, 374, 380, 396, 418, 495, 510, 561, 570, 612, 627, 646, 659, 660, 684, 748, 765, 836, 855, 935, 969, 990, 1020, 1045, 1122, 1140, 1254, 1292, 1318, 1530, 1615, 1683, 1710, 1870, 1881, 1938, 1977, 1980, 2090, 2244, 2508, 2636, 2805, 2907, 3060, 3135, 3230, 3295, 3366, 3420, 3553, 3740, 3762, 3876, 3954, 4180, 4845, 5610, 5814, 5931, 6270, 6460, 6590, 6732, 7106, 7249, 7524, 7908, 8415, 9405, 9690, 9885, 10659, 11203, 11220, 11628, 11862, 12521, 12540, 13180, 14212, 14498, 14535, 16830, 17765, 18810, 19380, 19770, 21318, 21747, 22406, 23724, 25042, 28996, 29070, 29655, 31977, 33609, 33660, 35530, 36245, 37563, 37620, 39540, 42636, 43494, 44812, 50084, 53295, 56015, 58140, 59310, 62605, 63954, 65241, 67218, 71060, 72490, 75126, 86988, 100827, 106590, 108735, 112030, 112689, 118620, 123233, 125210, 127908, 130482, 134436, 137731, 144980, 150252, 159885, 168045, 187815, 201654, 212857, 213180, 217470, 224060, 225378, 246466, 250420, 260964, 275462, 319770, 326205, 336090, 369699, 375630, 403308, 413193, 425714, 434940, 450756, 492932, 504135, 550924, 563445, 616165, 638571, 639540, 652410, 672180, 688655, 739398, 751260, 826386, 851428, 1008270, 1064285, 1109097, 1126890, 1232330, 1239579, 1277142, 1304820, 1377310, 1478796, 1652772, 1848495, 1915713, 2016540, 2065965, 2128570, 2218194, 2253780, 2341427, 2464660, 2479158, 2554284, 2754620, 3192855, 3696990, 3831426, 4131930, 4257140, 4436388, 4682854, 4958316, 5545485, 6197895, 6385710, 7024281, 7393980, 7662852, 8263860, 9365708, 9578565, 11090970, 11707135, 12395790, 12771420, 14048562, 19157130, 21072843, 22181940, 23414270, 24791580, 28097124, 35121405, 38314260, 42145686, 46828540, 70242810, 84291372, 105364215, 140485620, 210728430, 421456860]

約数ペア:

[(1, 421456860), (2, 210728430), (3, 140485620), (4, 105364215), (5, 84291372), (6, 70242810), (9, 46828540), (10, 42145686), (11, 38314260), (12, 35121405), (15, 28097124), (17, 24791580), (18, 23414270), (19, 22181940), (20, 21072843), (22, 19157130), (30, 14048562), (33, 12771420), (34, 12395790), (36, 11707135), (38, 11090970), (44, 9578565), (45, 9365708), (51, 8263860), (55, 7662852), (57, 7393980), (60, 7024281), (66, 6385710), (68, 6197895), (76, 5545485), (85, 4958316), (90, 4682854), (95, 4436388), (99, 4257140), (102, 4131930), (110, 3831426), (114, 3696990), (132, 3192855), (153, 2754620), (165, 2554284), (170, 2479158), (171, 2464660), (180, 2341427), (187, 2253780), (190, 2218194), (198, 2128570), (204, 2065965), (209, 2016540), (220, 1915713), (228, 1848495), (255, 1652772), (285, 1478796), (306, 1377310), (323, 1304820), (330, 1277142), (340, 1239579), (342, 1232330), (374, 1126890), (380, 1109097), (396, 1064285), (418, 1008270), (495, 851428), (510, 826386), (561, 751260), (570, 739398), (612, 688655), (627, 672180), (646, 652410), (659, 639540), (660, 638571), (684, 616165), (748, 563445), (765, 550924), (836, 504135), (855, 492932), (935, 450756), (969, 434940), (990, 425714), (1020, 413193), (1045, 403308), (1122, 375630), (1140, 369699), (1254, 336090), (1292, 326205), (1318, 319770), (1530, 275462), (1615, 260964), (1683, 250420), (1710, 246466), (1870, 225378), (1881, 224060), (1938, 217470), (1977, 213180), (1980, 212857), (2090, 201654), (2244, 187815), (2508, 168045), (2636, 159885), (2805, 150252), (2907, 144980), (3060, 137731), (3135, 134436), (3230, 130482), (3295, 127908), (3366, 125210), (3420, 123233), (3553, 118620), (3740, 112689), (3762, 112030), (3876, 108735), (3954, 106590), (4180, 100827), (4845, 86988), (5610, 75126), (5814, 72490), (5931, 71060), (6270, 67218), (6460, 65241), (6590, 63954), (6732, 62605), (7106, 59310), (7249, 58140), (7524, 56015), (7908, 53295), (8415, 50084), (9405, 44812), (9690, 43494), (9885, 42636), (10659, 39540), (11203, 37620), (11220, 37563), (11628, 36245), (11862, 35530), (12521, 33660), (12540, 33609), (13180, 31977), (14212, 29655), (14498, 29070), (14535, 28996), (16830, 25042), (17765, 23724), (18810, 22406), (19380, 21747), (19770, 21318)]