13312020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:481

約数の個数: 96

約数和(自身を含む): 40836096

約数和(自身を除く): 27524076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 102, 124, 155, 170, 186, 204, 255, 310, 340, 372, 421, 465, 510, 527, 620, 842, 930, 1020, 1054, 1263, 1581, 1684, 1860, 2105, 2108, 2526, 2635, 3162, 4210, 5052, 5270, 6315, 6324, 7157, 7905, 8420, 10540, 12630, 13051, 14314, 15810, 21471, 25260, 26102, 28628, 31620, 35785, 39153, 42942, 52204, 65255, 71570, 78306, 85884, 107355, 130510, 143140, 156612, 195765, 214710, 221867, 261020, 391530, 429420, 443734, 665601, 783060, 887468, 1109335, 1331202, 2218670, 2662404, 3328005, 4437340, 6656010, 13312020]

約数ペア:

[(1, 13312020), (2, 6656010), (3, 4437340), (4, 3328005), (5, 2662404), (6, 2218670), (10, 1331202), (12, 1109335), (15, 887468), (17, 783060), (20, 665601), (30, 443734), (31, 429420), (34, 391530), (51, 261020), (60, 221867), (62, 214710), (68, 195765), (85, 156612), (93, 143140), (102, 130510), (124, 107355), (155, 85884), (170, 78306), (186, 71570), (204, 65255), (255, 52204), (310, 42942), (340, 39153), (372, 35785), (421, 31620), (465, 28628), (510, 26102), (527, 25260), (620, 21471), (842, 15810), (930, 14314), (1020, 13051), (1054, 12630), (1263, 10540), (1581, 8420), (1684, 7905), (1860, 7157), (2105, 6324), (2108, 6315), (2526, 5270), (2635, 5052), (3162, 4210)]