71376760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19609}}^1$

素因数の和:19640

約数の個数: 64

約数和(自身を含む): 197668800

約数和(自身を除く): 126292040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 19609, 39218, 78436, 98045, 137263, 156872, 196090, 254917, 274526, 392180, 509834, 549052, 686315, 784360, 1019668, 1098104, 1274585, 1372630, 1784419, 2039336, 2549170, 2745260, 3568838, 5098340, 5490520, 7137676, 8922095, 10196680, 14275352, 17844190, 35688380, 71376760]

約数ペア:

[(1, 71376760), (2, 35688380), (4, 17844190), (5, 14275352), (7, 10196680), (8, 8922095), (10, 7137676), (13, 5490520), (14, 5098340), (20, 3568838), (26, 2745260), (28, 2549170), (35, 2039336), (40, 1784419), (52, 1372630), (56, 1274585), (65, 1098104), (70, 1019668), (91, 784360), (104, 686315), (130, 549052), (140, 509834), (182, 392180), (260, 274526), (280, 254917), (364, 196090), (455, 156872), (520, 137263), (728, 98045), (910, 78436), (1820, 39218), (3640, 19609)]