8663640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 28131840

約数和(自身を除く): 19468200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 43, 46, 60, 69, 73, 86, 92, 115, 120, 129, 138, 146, 172, 184, 215, 219, 230, 258, 276, 292, 344, 345, 365, 430, 438, 460, 516, 552, 584, 645, 690, 730, 860, 876, 920, 989, 1032, 1095, 1290, 1380, 1460, 1679, 1720, 1752, 1978, 2190, 2580, 2760, 2920, 2967, 3139, 3358, 3956, 4380, 4945, 5037, 5160, 5934, 6278, 6716, 7912, 8395, 8760, 9417, 9890, 10074, 11868, 12556, 13432, 14835, 15695, 16790, 18834, 19780, 20148, 23736, 25112, 25185, 29670, 31390, 33580, 37668, 39560, 40296, 47085, 50370, 59340, 62780, 67160, 72197, 75336, 94170, 100740, 118680, 125560, 144394, 188340, 201480, 216591, 288788, 360985, 376680, 433182, 577576, 721970, 866364, 1082955, 1443940, 1732728, 2165910, 2887880, 4331820, 8663640]

約数ペア:

[(1, 8663640), (2, 4331820), (3, 2887880), (4, 2165910), (5, 1732728), (6, 1443940), (8, 1082955), (10, 866364), (12, 721970), (15, 577576), (20, 433182), (23, 376680), (24, 360985), (30, 288788), (40, 216591), (43, 201480), (46, 188340), (60, 144394), (69, 125560), (73, 118680), (86, 100740), (92, 94170), (115, 75336), (120, 72197), (129, 67160), (138, 62780), (146, 59340), (172, 50370), (184, 47085), (215, 40296), (219, 39560), (230, 37668), (258, 33580), (276, 31390), (292, 29670), (344, 25185), (345, 25112), (365, 23736), (430, 20148), (438, 19780), (460, 18834), (516, 16790), (552, 15695), (584, 14835), (645, 13432), (690, 12556), (730, 11868), (860, 10074), (876, 9890), (920, 9417), (989, 8760), (1032, 8395), (1095, 7912), (1290, 6716), (1380, 6278), (1460, 5934), (1679, 5160), (1720, 5037), (1752, 4945), (1978, 4380), (2190, 3956), (2580, 3358), (2760, 3139), (2920, 2967)]