64696140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18917}}^1$

素因数の和:18951

約数の個数: 72

約数和(自身を含む): 206584560

約数和(自身を除く): 141888420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 18917, 37834, 56751, 75668, 94585, 113502, 170253, 189170, 227004, 283755, 340506, 359423, 378340, 567510, 681012, 718846, 851265, 1078269, 1135020, 1437692, 1702530, 1797115, 2156538, 3234807, 3405060, 3594230, 4313076, 5391345, 6469614, 7188460, 10782690, 12939228, 16174035, 21565380, 32348070, 64696140]

約数ペア:

[(1, 64696140), (2, 32348070), (3, 21565380), (4, 16174035), (5, 12939228), (6, 10782690), (9, 7188460), (10, 6469614), (12, 5391345), (15, 4313076), (18, 3594230), (19, 3405060), (20, 3234807), (30, 2156538), (36, 1797115), (38, 1702530), (45, 1437692), (57, 1135020), (60, 1078269), (76, 851265), (90, 718846), (95, 681012), (114, 567510), (171, 378340), (180, 359423), (190, 340506), (228, 283755), (285, 227004), (342, 189170), (380, 170253), (570, 113502), (684, 94585), (855, 75668), (1140, 56751), (1710, 37834), (3420, 18917)]