309471760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:417

約数の個数: 160

約数和(自身を含む): 829946880

約数和(自身を除く): 520475120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 31, 40, 52, 58, 62, 65, 80, 104, 116, 124, 130, 145, 155, 208, 232, 248, 260, 290, 310, 331, 377, 403, 464, 496, 520, 580, 620, 662, 754, 806, 899, 1040, 1160, 1240, 1324, 1508, 1612, 1655, 1798, 1885, 2015, 2320, 2480, 2648, 3016, 3224, 3310, 3596, 3770, 4030, 4303, 4495, 5296, 6032, 6448, 6620, 7192, 7540, 8060, 8606, 8990, 9599, 10261, 11687, 13240, 14384, 15080, 16120, 17212, 17980, 19198, 20522, 21515, 23374, 26480, 30160, 32240, 34424, 35960, 38396, 41044, 43030, 46748, 47995, 51305, 58435, 68848, 71920, 76792, 82088, 86060, 93496, 95990, 102610, 116870, 124787, 133393, 153584, 164176, 172120, 186992, 191980, 205220, 233740, 249574, 266786, 297569, 344240, 383960, 410440, 467480, 499148, 533572, 595138, 623935, 666965, 767920, 820880, 934960, 998296, 1067144, 1190276, 1247870, 1333930, 1487845, 1996592, 2134288, 2380552, 2495740, 2667860, 2975690, 3868397, 4761104, 4991480, 5335720, 5951380, 7736794, 9982960, 10671440, 11902760, 15473588, 19341985, 23805520, 30947176, 38683970, 61894352, 77367940, 154735880, 309471760]

約数ペア:

[(1, 309471760), (2, 154735880), (4, 77367940), (5, 61894352), (8, 38683970), (10, 30947176), (13, 23805520), (16, 19341985), (20, 15473588), (26, 11902760), (29, 10671440), (31, 9982960), (40, 7736794), (52, 5951380), (58, 5335720), (62, 4991480), (65, 4761104), (80, 3868397), (104, 2975690), (116, 2667860), (124, 2495740), (130, 2380552), (145, 2134288), (155, 1996592), (208, 1487845), (232, 1333930), (248, 1247870), (260, 1190276), (290, 1067144), (310, 998296), (331, 934960), (377, 820880), (403, 767920), (464, 666965), (496, 623935), (520, 595138), (580, 533572), (620, 499148), (662, 467480), (754, 410440), (806, 383960), (899, 344240), (1040, 297569), (1160, 266786), (1240, 249574), (1324, 233740), (1508, 205220), (1612, 191980), (1655, 186992), (1798, 172120), (1885, 164176), (2015, 153584), (2320, 133393), (2480, 124787), (2648, 116870), (3016, 102610), (3224, 95990), (3310, 93496), (3596, 86060), (3770, 82088), (4030, 76792), (4303, 71920), (4495, 68848), (5296, 58435), (6032, 51305), (6448, 47995), (6620, 46748), (7192, 43030), (7540, 41044), (8060, 38396), (8606, 35960), (8990, 34424), (9599, 32240), (10261, 30160), (11687, 26480), (13240, 23374), (14384, 21515), (15080, 20522), (16120, 19198), (17212, 17980)]