78473460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 243492480

約数和(自身を除く): 165019020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 71, 78, 109, 130, 142, 156, 169, 195, 213, 218, 260, 284, 327, 338, 355, 390, 426, 436, 507, 545, 654, 676, 710, 780, 845, 852, 923, 1014, 1065, 1090, 1308, 1417, 1420, 1635, 1690, 1846, 2028, 2130, 2180, 2535, 2769, 2834, 3270, 3380, 3692, 4251, 4260, 4615, 5070, 5538, 5668, 6540, 7085, 7739, 8502, 9230, 10140, 11076, 11999, 13845, 14170, 15478, 17004, 18421, 18460, 21255, 23217, 23998, 27690, 28340, 30956, 35997, 36842, 38695, 42510, 46434, 47996, 55263, 55380, 59995, 71994, 73684, 77390, 85020, 92105, 92868, 100607, 110526, 116085, 119990, 143988, 154780, 179985, 184210, 201214, 221052, 232170, 239980, 276315, 301821, 359970, 368420, 402428, 464340, 503035, 552630, 603642, 719940, 1006070, 1105260, 1207284, 1307891, 1509105, 2012140, 2615782, 3018210, 3923673, 5231564, 6036420, 6539455, 7847346, 13078910, 15694692, 19618365, 26157820, 39236730, 78473460]

約数ペア:

[(1, 78473460), (2, 39236730), (3, 26157820), (4, 19618365), (5, 15694692), (6, 13078910), (10, 7847346), (12, 6539455), (13, 6036420), (15, 5231564), (20, 3923673), (26, 3018210), (30, 2615782), (39, 2012140), (52, 1509105), (60, 1307891), (65, 1207284), (71, 1105260), (78, 1006070), (109, 719940), (130, 603642), (142, 552630), (156, 503035), (169, 464340), (195, 402428), (213, 368420), (218, 359970), (260, 301821), (284, 276315), (327, 239980), (338, 232170), (355, 221052), (390, 201214), (426, 184210), (436, 179985), (507, 154780), (545, 143988), (654, 119990), (676, 116085), (710, 110526), (780, 100607), (845, 92868), (852, 92105), (923, 85020), (1014, 77390), (1065, 73684), (1090, 71994), (1308, 59995), (1417, 55380), (1420, 55263), (1635, 47996), (1690, 46434), (1846, 42510), (2028, 38695), (2130, 36842), (2180, 35997), (2535, 30956), (2769, 28340), (2834, 27690), (3270, 23998), (3380, 23217), (3692, 21255), (4251, 18460), (4260, 18421), (4615, 17004), (5070, 15478), (5538, 14170), (5668, 13845), (6540, 11999), (7085, 11076), (7739, 10140), (8502, 9230)]