15779960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 42230160

約数和(自身を除く): 26450200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 83, 97, 98, 140, 166, 194, 196, 245, 280, 332, 388, 392, 415, 485, 490, 581, 664, 679, 776, 830, 970, 980, 1162, 1358, 1660, 1940, 1960, 2324, 2716, 2905, 3320, 3395, 3880, 4067, 4648, 4753, 5432, 5810, 6790, 8051, 8134, 9506, 11620, 13580, 16102, 16268, 19012, 20335, 23240, 23765, 27160, 32204, 32536, 38024, 40255, 40670, 47530, 56357, 64408, 80510, 81340, 95060, 112714, 161020, 162680, 190120, 225428, 281785, 322040, 394499, 450856, 563570, 788998, 1127140, 1577996, 1972495, 2254280, 3155992, 3944990, 7889980, 15779960]

約数ペア:

[(1, 15779960), (2, 7889980), (4, 3944990), (5, 3155992), (7, 2254280), (8, 1972495), (10, 1577996), (14, 1127140), (20, 788998), (28, 563570), (35, 450856), (40, 394499), (49, 322040), (56, 281785), (70, 225428), (83, 190120), (97, 162680), (98, 161020), (140, 112714), (166, 95060), (194, 81340), (196, 80510), (245, 64408), (280, 56357), (332, 47530), (388, 40670), (392, 40255), (415, 38024), (485, 32536), (490, 32204), (581, 27160), (664, 23765), (679, 23240), (776, 20335), (830, 19012), (970, 16268), (980, 16102), (1162, 13580), (1358, 11620), (1660, 9506), (1940, 8134), (1960, 8051), (2324, 6790), (2716, 5810), (2905, 5432), (3320, 4753), (3395, 4648), (3880, 4067)]