129959440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 349977600

約数和(自身を除く): 220018160

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, 139, 145, 155, 208, 232, 248, 260, 278, 290, 310, 377, 403, 464, 496, 520, 556, 580, 620, 695, 754, 806, 899, 1040, 1112, 1160, 1240, 1390, 1508, 1612, 1798, 1807, 1885, 2015, 2224, 2320, 2480, 2780, 3016, 3224, 3596, 3614, 3770, 4030, 4031, 4309, 4495, 5560, 6032, 6448, 7192, 7228, 7540, 8060, 8062, 8618, 8990, 9035, 11120, 11687, 14384, 14456, 15080, 16120, 16124, 17236, 17980, 18070, 20155, 21545, 23374, 28912, 30160, 32240, 32248, 34472, 35960, 36140, 40310, 43090, 46748, 52403, 56017, 58435, 64496, 68944, 71920, 72280, 80620, 86180, 93496, 104806, 112034, 116870, 124961, 144560, 161240, 172360, 186992, 209612, 224068, 233740, 249922, 262015, 280085, 322480, 344720, 419224, 448136, 467480, 499844, 524030, 560170, 624805, 838448, 896272, 934960, 999688, 1048060, 1120340, 1249610, 1624493, 1999376, 2096120, 2240680, 2499220, 3248986, 4192240, 4481360, 4998440, 6497972, 8122465, 9996880, 12995944, 16244930, 25991888, 32489860, 64979720, 129959440]

約数ペア:

[(1, 129959440), (2, 64979720), (4, 32489860), (5, 25991888), (8, 16244930), (10, 12995944), (13, 9996880), (16, 8122465), (20, 6497972), (26, 4998440), (29, 4481360), (31, 4192240), (40, 3248986), (52, 2499220), (58, 2240680), (62, 2096120), (65, 1999376), (80, 1624493), (104, 1249610), (116, 1120340), (124, 1048060), (130, 999688), (139, 934960), (145, 896272), (155, 838448), (208, 624805), (232, 560170), (248, 524030), (260, 499844), (278, 467480), (290, 448136), (310, 419224), (377, 344720), (403, 322480), (464, 280085), (496, 262015), (520, 249922), (556, 233740), (580, 224068), (620, 209612), (695, 186992), (754, 172360), (806, 161240), (899, 144560), (1040, 124961), (1112, 116870), (1160, 112034), (1240, 104806), (1390, 93496), (1508, 86180), (1612, 80620), (1798, 72280), (1807, 71920), (1885, 68944), (2015, 64496), (2224, 58435), (2320, 56017), (2480, 52403), (2780, 46748), (3016, 43090), (3224, 40310), (3596, 36140), (3614, 35960), (3770, 34472), (4030, 32248), (4031, 32240), (4309, 30160), (4495, 28912), (5560, 23374), (6032, 21545), (6448, 20155), (7192, 18070), (7228, 17980), (7540, 17236), (8060, 16124), (8062, 16120), (8618, 15080), (8990, 14456), (9035, 14384), (11120, 11687)]