3125240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 7603200

約数和(自身を除く): 4477960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 79, 86, 92, 115, 158, 172, 184, 215, 230, 316, 344, 395, 430, 460, 632, 790, 860, 920, 989, 1580, 1720, 1817, 1978, 3160, 3397, 3634, 3956, 4945, 6794, 7268, 7912, 9085, 9890, 13588, 14536, 16985, 18170, 19780, 27176, 33970, 36340, 39560, 67940, 72680, 78131, 135880, 156262, 312524, 390655, 625048, 781310, 1562620, 3125240]

約数ペア:

[(1, 3125240), (2, 1562620), (4, 781310), (5, 625048), (8, 390655), (10, 312524), (20, 156262), (23, 135880), (40, 78131), (43, 72680), (46, 67940), (79, 39560), (86, 36340), (92, 33970), (115, 27176), (158, 19780), (172, 18170), (184, 16985), (215, 14536), (230, 13588), (316, 9890), (344, 9085), (395, 7912), (430, 7268), (460, 6794), (632, 4945), (790, 3956), (860, 3634), (920, 3397), (989, 3160), (1580, 1978), (1720, 1817)]