15697440860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{284477}}^1$

素因数の和:284606

約数の個数: 48

約数和(自身を含む): 34410458880

約数和(自身を除く): 18713018020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 620, 890, 1780, 2759, 5518, 11036, 13795, 27590, 55180, 284477, 568954, 1137908, 1422385, 2844770, 5689540, 8818787, 17637574, 25318453, 35275148, 44093935, 50636906, 88187870, 101273812, 126592265, 176375740, 253184530, 506369060, 784872043, 1569744086, 3139488172, 3924360215, 7848720430, 15697440860]

約数ペア:

[(1, 15697440860), (2, 7848720430), (4, 3924360215), (5, 3139488172), (10, 1569744086), (20, 784872043), (31, 506369060), (62, 253184530), (89, 176375740), (124, 126592265), (155, 101273812), (178, 88187870), (310, 50636906), (356, 44093935), (445, 35275148), (620, 25318453), (890, 17637574), (1780, 8818787), (2759, 5689540), (5518, 2844770), (11036, 1422385), (13795, 1137908), (27590, 568954), (55180, 284477)]