64392640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{673}}^1$

素因数の和:726

約数の個数: 112

約数和(自身を含む): 172565568

約数和(自身を除く): 108172928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 299, 320, 368, 416, 460, 520, 598, 673, 736, 832, 920, 1040, 1196, 1346, 1472, 1495, 1840, 2080, 2392, 2692, 2990, 3365, 3680, 4160, 4784, 5384, 5980, 6730, 7360, 8749, 9568, 10768, 11960, 13460, 15479, 17498, 19136, 21536, 23920, 26920, 30958, 34996, 43072, 43745, 47840, 53840, 61916, 69992, 77395, 87490, 95680, 107680, 123832, 139984, 154790, 174980, 201227, 215360, 247664, 279968, 309580, 349960, 402454, 495328, 559936, 619160, 699920, 804908, 990656, 1006135, 1238320, 1399840, 1609816, 2012270, 2476640, 2799680, 3219632, 4024540, 4953280, 6439264, 8049080, 12878528, 16098160, 32196320, 64392640]

約数ペア:

[(1, 64392640), (2, 32196320), (4, 16098160), (5, 12878528), (8, 8049080), (10, 6439264), (13, 4953280), (16, 4024540), (20, 3219632), (23, 2799680), (26, 2476640), (32, 2012270), (40, 1609816), (46, 1399840), (52, 1238320), (64, 1006135), (65, 990656), (80, 804908), (92, 699920), (104, 619160), (115, 559936), (130, 495328), (160, 402454), (184, 349960), (208, 309580), (230, 279968), (260, 247664), (299, 215360), (320, 201227), (368, 174980), (416, 154790), (460, 139984), (520, 123832), (598, 107680), (673, 95680), (736, 87490), (832, 77395), (920, 69992), (1040, 61916), (1196, 53840), (1346, 47840), (1472, 43745), (1495, 43072), (1840, 34996), (2080, 30958), (2392, 26920), (2692, 23920), (2990, 21536), (3365, 19136), (3680, 17498), (4160, 15479), (4784, 13460), (5384, 11960), (5980, 10768), (6730, 9568), (7360, 8749)]