68786460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20113}}^1$

素因数の和:20147

約数の個数: 72

約数和(自身を含む): 219644880

約数和(自身を除く): 150858420

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, 20113, 40226, 60339, 80452, 100565, 120678, 181017, 201130, 241356, 301695, 362034, 382147, 402260, 603390, 724068, 764294, 905085, 1146441, 1206780, 1528588, 1810170, 1910735, 2292882, 3439323, 3620340, 3821470, 4585764, 5732205, 6878646, 7642940, 11464410, 13757292, 17196615, 22928820, 34393230, 68786460]

約数ペア:

[(1, 68786460), (2, 34393230), (3, 22928820), (4, 17196615), (5, 13757292), (6, 11464410), (9, 7642940), (10, 6878646), (12, 5732205), (15, 4585764), (18, 3821470), (19, 3620340), (20, 3439323), (30, 2292882), (36, 1910735), (38, 1810170), (45, 1528588), (57, 1206780), (60, 1146441), (76, 905085), (90, 764294), (95, 724068), (114, 603390), (171, 402260), (180, 382147), (190, 362034), (228, 301695), (285, 241356), (342, 201130), (380, 181017), (570, 120678), (684, 100565), (855, 80452), (1140, 60339), (1710, 40226), (3420, 20113)]