68800140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20117}}^1$

素因数の和:20151

約数の個数: 72

約数和(自身を含む): 219688560

約数和(自身を除く): 150888420

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, 20117, 40234, 60351, 80468, 100585, 120702, 181053, 201170, 241404, 301755, 362106, 382223, 402340, 603510, 724212, 764446, 905265, 1146669, 1207020, 1528892, 1810530, 1911115, 2293338, 3440007, 3621060, 3822230, 4586676, 5733345, 6880014, 7644460, 11466690, 13760028, 17200035, 22933380, 34400070, 68800140]

約数ペア:

[(1, 68800140), (2, 34400070), (3, 22933380), (4, 17200035), (5, 13760028), (6, 11466690), (9, 7644460), (10, 6880014), (12, 5733345), (15, 4586676), (18, 3822230), (19, 3621060), (20, 3440007), (30, 2293338), (36, 1911115), (38, 1810530), (45, 1528892), (57, 1207020), (60, 1146669), (76, 905265), (90, 764446), (95, 724212), (114, 603510), (171, 402340), (180, 382223), (190, 362106), (228, 301755), (285, 241404), (342, 201170), (380, 181053), (570, 120702), (684, 100585), (855, 80468), (1140, 60351), (1710, 40234), (3420, 20117)]