90458720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:628

約数の個数: 96

約数和(自身を含む): 235872000

約数和(自身を除く): 145413280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 103, 110, 160, 176, 206, 220, 352, 412, 440, 499, 515, 824, 880, 998, 1030, 1133, 1648, 1760, 1996, 2060, 2266, 2495, 3296, 3992, 4120, 4532, 4990, 5489, 5665, 7984, 8240, 9064, 9980, 10978, 11330, 15968, 16480, 18128, 19960, 21956, 22660, 27445, 36256, 39920, 43912, 45320, 51397, 54890, 79840, 87824, 90640, 102794, 109780, 175648, 181280, 205588, 219560, 256985, 411176, 439120, 513970, 565367, 822352, 878240, 1027940, 1130734, 1644704, 2055880, 2261468, 2826835, 4111760, 4522936, 5653670, 8223520, 9045872, 11307340, 18091744, 22614680, 45229360, 90458720]

約数ペア:

[(1, 90458720), (2, 45229360), (4, 22614680), (5, 18091744), (8, 11307340), (10, 9045872), (11, 8223520), (16, 5653670), (20, 4522936), (22, 4111760), (32, 2826835), (40, 2261468), (44, 2055880), (55, 1644704), (80, 1130734), (88, 1027940), (103, 878240), (110, 822352), (160, 565367), (176, 513970), (206, 439120), (220, 411176), (352, 256985), (412, 219560), (440, 205588), (499, 181280), (515, 175648), (824, 109780), (880, 102794), (998, 90640), (1030, 87824), (1133, 79840), (1648, 54890), (1760, 51397), (1996, 45320), (2060, 43912), (2266, 39920), (2495, 36256), (3296, 27445), (3992, 22660), (4120, 21956), (4532, 19960), (4990, 18128), (5489, 16480), (5665, 15968), (7984, 11330), (8240, 10978), (9064, 9980)]