642862740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{824183}}^1$

素因数の和:824208

約数の個数: 48

約数和(自身を含む): 1938480768

約数和(自身を除く): 1295618028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 824183, 1648366, 2472549, 3296732, 4120915, 4945098, 8241830, 9890196, 10714379, 12362745, 16483660, 21428758, 24725490, 32143137, 42857516, 49450980, 53571895, 64286274, 107143790, 128572548, 160715685, 214287580, 321431370, 642862740]

約数ペア:

[(1, 642862740), (2, 321431370), (3, 214287580), (4, 160715685), (5, 128572548), (6, 107143790), (10, 64286274), (12, 53571895), (13, 49450980), (15, 42857516), (20, 32143137), (26, 24725490), (30, 21428758), (39, 16483660), (52, 12362745), (60, 10714379), (65, 9890196), (78, 8241830), (130, 4945098), (156, 4120915), (195, 3296732), (260, 2472549), (390, 1648366), (780, 824183)]