1404920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 3594240

約数和(自身を除く): 2189320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 103, 110, 124, 155, 206, 220, 248, 310, 341, 412, 440, 515, 620, 682, 824, 1030, 1133, 1240, 1364, 1705, 2060, 2266, 2728, 3193, 3410, 4120, 4532, 5665, 6386, 6820, 9064, 11330, 12772, 13640, 15965, 22660, 25544, 31930, 35123, 45320, 63860, 70246, 127720, 140492, 175615, 280984, 351230, 702460, 1404920]

約数ペア:

[(1, 1404920), (2, 702460), (4, 351230), (5, 280984), (8, 175615), (10, 140492), (11, 127720), (20, 70246), (22, 63860), (31, 45320), (40, 35123), (44, 31930), (55, 25544), (62, 22660), (88, 15965), (103, 13640), (110, 12772), (124, 11330), (155, 9064), (206, 6820), (220, 6386), (248, 5665), (310, 4532), (341, 4120), (412, 3410), (440, 3193), (515, 2728), (620, 2266), (682, 2060), (824, 1705), (1030, 1364), (1133, 1240)]