15420840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1201}}^1$

素因数の和:1322

約数の個数: 64

約数和(自身を含む): 46733760

約数和(自身を除く): 31312920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1201, 1284, 1605, 2140, 2402, 2568, 3210, 3603, 4280, 4804, 6005, 6420, 7206, 9608, 12010, 12840, 14412, 18015, 24020, 28824, 36030, 48040, 72060, 128507, 144120, 257014, 385521, 514028, 642535, 771042, 1028056, 1285070, 1542084, 1927605, 2570140, 3084168, 3855210, 5140280, 7710420, 15420840]

約数ペア:

[(1, 15420840), (2, 7710420), (3, 5140280), (4, 3855210), (5, 3084168), (6, 2570140), (8, 1927605), (10, 1542084), (12, 1285070), (15, 1028056), (20, 771042), (24, 642535), (30, 514028), (40, 385521), (60, 257014), (107, 144120), (120, 128507), (214, 72060), (321, 48040), (428, 36030), (535, 28824), (642, 24020), (856, 18015), (1070, 14412), (1201, 12840), (1284, 12010), (1605, 9608), (2140, 7206), (2402, 6420), (2568, 6005), (3210, 4804), (3603, 4280)]