666644120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{2213}}^1$

素因数の和:2684

約数の個数: 64

約数和(自身を含む): 1592485920

約数和(自身を除く): 925841800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 443, 680, 886, 1772, 2213, 2215, 3544, 4426, 4430, 7531, 8852, 8860, 11065, 15062, 17704, 17720, 22130, 30124, 37621, 37655, 44260, 60248, 75242, 75310, 88520, 150484, 150620, 188105, 300968, 301240, 376210, 752420, 980359, 1504840, 1960718, 3921436, 4901795, 7842872, 9803590, 16666103, 19607180, 33332206, 39214360, 66664412, 83330515, 133328824, 166661030, 333322060, 666644120]

約数ペア:

[(1, 666644120), (2, 333322060), (4, 166661030), (5, 133328824), (8, 83330515), (10, 66664412), (17, 39214360), (20, 33332206), (34, 19607180), (40, 16666103), (68, 9803590), (85, 7842872), (136, 4901795), (170, 3921436), (340, 1960718), (443, 1504840), (680, 980359), (886, 752420), (1772, 376210), (2213, 301240), (2215, 300968), (3544, 188105), (4426, 150620), (4430, 150484), (7531, 88520), (8852, 75310), (8860, 75242), (11065, 60248), (15062, 44260), (17704, 37655), (17720, 37621), (22130, 30124)]