491348400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:244

約数の個数: 240

約数和(自身を含む): 1638466560

約数和(自身を除く): 1147118160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 71, 73, 75, 79, 80, 100, 120, 142, 146, 150, 158, 200, 213, 219, 237, 240, 284, 292, 300, 316, 355, 365, 395, 400, 426, 438, 474, 568, 584, 600, 632, 710, 730, 790, 852, 876, 948, 1065, 1095, 1136, 1168, 1185, 1200, 1264, 1420, 1460, 1580, 1704, 1752, 1775, 1825, 1896, 1975, 2130, 2190, 2370, 2840, 2920, 3160, 3408, 3504, 3550, 3650, 3792, 3950, 4260, 4380, 4740, 5183, 5325, 5475, 5609, 5680, 5767, 5840, 5925, 6320, 7100, 7300, 7900, 8520, 8760, 9480, 10366, 10650, 10950, 11218, 11534, 11850, 14200, 14600, 15549, 15800, 16827, 17040, 17301, 17520, 18960, 20732, 21300, 21900, 22436, 23068, 23700, 25915, 28045, 28400, 28835, 29200, 31098, 31600, 33654, 34602, 41464, 42600, 43800, 44872, 46136, 47400, 51830, 56090, 57670, 62196, 67308, 69204, 77745, 82928, 84135, 85200, 86505, 87600, 89744, 92272, 94800, 103660, 112180, 115340, 124392, 129575, 134616, 138408, 140225, 144175, 155490, 168270, 173010, 207320, 224360, 230680, 248784, 259150, 269232, 276816, 280450, 288350, 310980, 336540, 346020, 388725, 409457, 414640, 420675, 432525, 448720, 461360, 518300, 560900, 576700, 621960, 673080, 692040, 777450, 818914, 841350, 865050, 1036600, 1121800, 1153400, 1228371, 1243920, 1346160, 1384080, 1554900, 1637828, 1682700, 1730100, 2047285, 2073200, 2243600, 2306800, 2456742, 3109800, 3275656, 3365400, 3460200, 4094570, 4913484, 6141855, 6219600, 6551312, 6730800, 6920400, 8189140, 9826968, 10236425, 12283710, 16378280, 19653936, 20472850, 24567420, 30709275, 32756560, 40945700, 49134840, 61418550, 81891400, 98269680, 122837100, 163782800, 245674200, 491348400]

約数ペア:

[(1, 491348400), (2, 245674200), (3, 163782800), (4, 122837100), (5, 98269680), (6, 81891400), (8, 61418550), (10, 49134840), (12, 40945700), (15, 32756560), (16, 30709275), (20, 24567420), (24, 20472850), (25, 19653936), (30, 16378280), (40, 12283710), (48, 10236425), (50, 9826968), (60, 8189140), (71, 6920400), (73, 6730800), (75, 6551312), (79, 6219600), (80, 6141855), (100, 4913484), (120, 4094570), (142, 3460200), (146, 3365400), (150, 3275656), (158, 3109800), (200, 2456742), (213, 2306800), (219, 2243600), (237, 2073200), (240, 2047285), (284, 1730100), (292, 1682700), (300, 1637828), (316, 1554900), (355, 1384080), (365, 1346160), (395, 1243920), (400, 1228371), (426, 1153400), (438, 1121800), (474, 1036600), (568, 865050), (584, 841350), (600, 818914), (632, 777450), (710, 692040), (730, 673080), (790, 621960), (852, 576700), (876, 560900), (948, 518300), (1065, 461360), (1095, 448720), (1136, 432525), (1168, 420675), (1185, 414640), (1200, 409457), (1264, 388725), (1420, 346020), (1460, 336540), (1580, 310980), (1704, 288350), (1752, 280450), (1775, 276816), (1825, 269232), (1896, 259150), (1975, 248784), (2130, 230680), (2190, 224360), (2370, 207320), (2840, 173010), (2920, 168270), (3160, 155490), (3408, 144175), (3504, 140225), (3550, 138408), (3650, 134616), (3792, 129575), (3950, 124392), (4260, 115340), (4380, 112180), (4740, 103660), (5183, 94800), (5325, 92272), (5475, 89744), (5609, 87600), (5680, 86505), (5767, 85200), (5840, 84135), (5925, 82928), (6320, 77745), (7100, 69204), (7300, 67308), (7900, 62196), (8520, 57670), (8760, 56090), (9480, 51830), (10366, 47400), (10650, 46136), (10950, 44872), (11218, 43800), (11534, 42600), (11850, 41464), (14200, 34602), (14600, 33654), (15549, 31600), (15800, 31098), (16827, 29200), (17040, 28835), (17301, 28400), (17520, 28045), (18960, 25915), (20732, 23700), (21300, 23068), (21900, 22436)]