15698399680

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{620981}}^1$

素因数の和:621077

約数の個数: 56

約数和(自身を含む): 37855062720

約数和(自身を除く): 22156663040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 3160, 5056, 6320, 12640, 25280, 620981, 1241962, 2483924, 3104905, 4967848, 6209810, 9935696, 12419620, 19871392, 24839240, 39742784, 49057499, 49678480, 98114998, 99356960, 196229996, 198713920, 245287495, 392459992, 490574990, 784919984, 981149980, 1569839968, 1962299960, 3139679936, 3924599920, 7849199840, 15698399680]

約数ペア:

[(1, 15698399680), (2, 7849199840), (4, 3924599920), (5, 3139679936), (8, 1962299960), (10, 1569839968), (16, 981149980), (20, 784919984), (32, 490574990), (40, 392459992), (64, 245287495), (79, 198713920), (80, 196229996), (158, 99356960), (160, 98114998), (316, 49678480), (320, 49057499), (395, 39742784), (632, 24839240), (790, 19871392), (1264, 12419620), (1580, 9935696), (2528, 6209810), (3160, 4967848), (5056, 3104905), (6320, 2483924), (12640, 1241962), (25280, 620981)]