68765940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20107}}^1$

素因数の和:20141

約数の個数: 72

約数和(自身を含む): 219579360

約数和(自身を除く): 150813420

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, 20107, 40214, 60321, 80428, 100535, 120642, 180963, 201070, 241284, 301605, 361926, 382033, 402140, 603210, 723852, 764066, 904815, 1146099, 1206420, 1528132, 1809630, 1910165, 2292198, 3438297, 3619260, 3820330, 4584396, 5730495, 6876594, 7640660, 11460990, 13753188, 17191485, 22921980, 34382970, 68765940]

約数ペア:

[(1, 68765940), (2, 34382970), (3, 22921980), (4, 17191485), (5, 13753188), (6, 11460990), (9, 7640660), (10, 6876594), (12, 5730495), (15, 4584396), (18, 3820330), (19, 3619260), (20, 3438297), (30, 2292198), (36, 1910165), (38, 1809630), (45, 1528132), (57, 1206420), (60, 1146099), (76, 904815), (90, 764066), (95, 723852), (114, 603210), (171, 402140), (180, 382033), (190, 361926), (228, 301605), (285, 241284), (342, 201070), (380, 180963), (570, 120642), (684, 100535), (855, 80428), (1140, 60321), (1710, 40214), (3420, 20107)]