15697078780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{617509}}^1$

素因数の和:617590

約数の個数: 48

約数和(自身を含む): 34857204480

約数和(自身を除く): 19160125700

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 5084, 6355, 12710, 25420, 617509, 1235018, 2470036, 3087545, 6175090, 12350180, 19142779, 25317869, 38285558, 50635738, 76571116, 95713895, 101271476, 126589345, 191427790, 253178690, 382855580, 506357380, 784853939, 1569707878, 3139415756, 3924269695, 7848539390, 15697078780]

約数ペア:

[(1, 15697078780), (2, 7848539390), (4, 3924269695), (5, 3139415756), (10, 1569707878), (20, 784853939), (31, 506357380), (41, 382855580), (62, 253178690), (82, 191427790), (124, 126589345), (155, 101271476), (164, 95713895), (205, 76571116), (310, 50635738), (410, 38285558), (620, 25317869), (820, 19142779), (1271, 12350180), (2542, 6175090), (5084, 3087545), (6355, 2470036), (12710, 1235018), (25420, 617509)]