80470740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 265676544

約数和(自身を除く): 185205804

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 101, 105, 140, 147, 196, 202, 210, 245, 271, 294, 303, 404, 420, 490, 505, 542, 588, 606, 707, 735, 813, 980, 1010, 1084, 1212, 1355, 1414, 1470, 1515, 1626, 1897, 2020, 2121, 2710, 2828, 2940, 3030, 3252, 3535, 3794, 4065, 4242, 4949, 5420, 5691, 6060, 7070, 7588, 8130, 8484, 9485, 9898, 10605, 11382, 13279, 14140, 14847, 16260, 18970, 19796, 21210, 22764, 24745, 26558, 27371, 28455, 29694, 37940, 39837, 42420, 49490, 53116, 54742, 56910, 59388, 66395, 74235, 79674, 82113, 98980, 109484, 113820, 132790, 136855, 148470, 159348, 164226, 191597, 199185, 265580, 273710, 296940, 328452, 383194, 398370, 410565, 547420, 574791, 766388, 796740, 821130, 957985, 1149582, 1341179, 1642260, 1915970, 2299164, 2682358, 2873955, 3831940, 4023537, 5364716, 5747910, 6705895, 8047074, 11495820, 13411790, 16094148, 20117685, 26823580, 40235370, 80470740]

約数ペア:

[(1, 80470740), (2, 40235370), (3, 26823580), (4, 20117685), (5, 16094148), (6, 13411790), (7, 11495820), (10, 8047074), (12, 6705895), (14, 5747910), (15, 5364716), (20, 4023537), (21, 3831940), (28, 2873955), (30, 2682358), (35, 2299164), (42, 1915970), (49, 1642260), (60, 1341179), (70, 1149582), (84, 957985), (98, 821130), (101, 796740), (105, 766388), (140, 574791), (147, 547420), (196, 410565), (202, 398370), (210, 383194), (245, 328452), (271, 296940), (294, 273710), (303, 265580), (404, 199185), (420, 191597), (490, 164226), (505, 159348), (542, 148470), (588, 136855), (606, 132790), (707, 113820), (735, 109484), (813, 98980), (980, 82113), (1010, 79674), (1084, 74235), (1212, 66395), (1355, 59388), (1414, 56910), (1470, 54742), (1515, 53116), (1626, 49490), (1897, 42420), (2020, 39837), (2121, 37940), (2710, 29694), (2828, 28455), (2940, 27371), (3030, 26558), (3252, 24745), (3535, 22764), (3794, 21210), (4065, 19796), (4242, 18970), (4949, 16260), (5420, 14847), (5691, 14140), (6060, 13279), (7070, 11382), (7588, 10605), (8130, 9898), (8484, 9485)]