69939660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23789}}^1$

素因数の和:23815

約数の個数: 72

約数和(自身を含む): 227813040

約数和(自身を除く): 157873380

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, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 23789, 47578, 71367, 95156, 118945, 142734, 166523, 237890, 285468, 333046, 356835, 475780, 499569, 666092, 713670, 832615, 999138, 1165661, 1427340, 1665230, 1998276, 2331322, 2497845, 3330460, 3496983, 4662644, 4995690, 5828305, 6993966, 9991380, 11656610, 13987932, 17484915, 23313220, 34969830, 69939660]

約数ペア:

[(1, 69939660), (2, 34969830), (3, 23313220), (4, 17484915), (5, 13987932), (6, 11656610), (7, 9991380), (10, 6993966), (12, 5828305), (14, 4995690), (15, 4662644), (20, 3496983), (21, 3330460), (28, 2497845), (30, 2331322), (35, 1998276), (42, 1665230), (49, 1427340), (60, 1165661), (70, 999138), (84, 832615), (98, 713670), (105, 666092), (140, 499569), (147, 475780), (196, 356835), (210, 333046), (245, 285468), (294, 237890), (420, 166523), (490, 142734), (588, 118945), (735, 95156), (980, 71367), (1470, 47578), (2940, 23789)]