12983940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1361}}^1$

素因数の和:1429

約数の個数: 72

約数和(自身を含む): 40157208

約数和(自身を除く): 27173268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1361, 1590, 1908, 2385, 2722, 3180, 4083, 4770, 5444, 6805, 8166, 9540, 12249, 13610, 16332, 20415, 24498, 27220, 40830, 48996, 61245, 72133, 81660, 122490, 144266, 216399, 244980, 288532, 360665, 432798, 649197, 721330, 865596, 1081995, 1298394, 1442660, 2163990, 2596788, 3245985, 4327980, 6491970, 12983940]

約数ペア:

[(1, 12983940), (2, 6491970), (3, 4327980), (4, 3245985), (5, 2596788), (6, 2163990), (9, 1442660), (10, 1298394), (12, 1081995), (15, 865596), (18, 721330), (20, 649197), (30, 432798), (36, 360665), (45, 288532), (53, 244980), (60, 216399), (90, 144266), (106, 122490), (159, 81660), (180, 72133), (212, 61245), (265, 48996), (318, 40830), (477, 27220), (530, 24498), (636, 20415), (795, 16332), (954, 13610), (1060, 12249), (1361, 9540), (1590, 8166), (1908, 6805), (2385, 5444), (2722, 4770), (3180, 4083)]