71330940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20857}}^1$

素因数の和:20891

約数の個数: 72

約数和(自身を含む): 227769360

約数和(自身を除く): 156438420

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, 20857, 41714, 62571, 83428, 104285, 125142, 187713, 208570, 250284, 312855, 375426, 396283, 417140, 625710, 750852, 792566, 938565, 1188849, 1251420, 1585132, 1877130, 1981415, 2377698, 3566547, 3754260, 3962830, 4755396, 5944245, 7133094, 7925660, 11888490, 14266188, 17832735, 23776980, 35665470, 71330940]

約数ペア:

[(1, 71330940), (2, 35665470), (3, 23776980), (4, 17832735), (5, 14266188), (6, 11888490), (9, 7925660), (10, 7133094), (12, 5944245), (15, 4755396), (18, 3962830), (19, 3754260), (20, 3566547), (30, 2377698), (36, 1981415), (38, 1877130), (45, 1585132), (57, 1251420), (60, 1188849), (76, 938565), (90, 792566), (95, 750852), (114, 625710), (171, 417140), (180, 396283), (190, 375426), (228, 312855), (285, 250284), (342, 208570), (380, 187713), (570, 125142), (684, 104285), (855, 83428), (1140, 62571), (1710, 41714), (3420, 20857)]