280747980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1093}}^1\times {\mathrm{1427}}^1$

素因数の和:2535

約数の個数: 72

約数和(自身を含む): 852978672

約数和(自身を除く): 572230692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1093, 1427, 2186, 2854, 3279, 4281, 4372, 5465, 5708, 6558, 7135, 8562, 9837, 10930, 12843, 13116, 14270, 16395, 17124, 19674, 21405, 21860, 25686, 28540, 32790, 39348, 42810, 49185, 51372, 64215, 65580, 85620, 98370, 128430, 196740, 256860, 1559711, 3119422, 4679133, 6238844, 7798555, 9358266, 14037399, 15597110, 18716532, 23395665, 28074798, 31194220, 46791330, 56149596, 70186995, 93582660, 140373990, 280747980]

約数ペア:

[(1, 280747980), (2, 140373990), (3, 93582660), (4, 70186995), (5, 56149596), (6, 46791330), (9, 31194220), (10, 28074798), (12, 23395665), (15, 18716532), (18, 15597110), (20, 14037399), (30, 9358266), (36, 7798555), (45, 6238844), (60, 4679133), (90, 3119422), (180, 1559711), (1093, 256860), (1427, 196740), (2186, 128430), (2854, 98370), (3279, 85620), (4281, 65580), (4372, 64215), (5465, 51372), (5708, 49185), (6558, 42810), (7135, 39348), (8562, 32790), (9837, 28540), (10930, 25686), (12843, 21860), (13116, 21405), (14270, 19674), (16395, 17124)]