239439720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153487}}^1$

素因数の和:153514

約数の個数: 64

約数和(自身を含む): 773579520

約数和(自身を除く): 534139800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 153487, 306974, 460461, 613948, 767435, 920922, 1227896, 1534870, 1841844, 1995331, 2302305, 3069740, 3683688, 3990662, 4604610, 5985993, 6139480, 7981324, 9209220, 9976655, 11971986, 15962648, 18418440, 19953310, 23943972, 29929965, 39906620, 47887944, 59859930, 79813240, 119719860, 239439720]

約数ペア:

[(1, 239439720), (2, 119719860), (3, 79813240), (4, 59859930), (5, 47887944), (6, 39906620), (8, 29929965), (10, 23943972), (12, 19953310), (13, 18418440), (15, 15962648), (20, 11971986), (24, 9976655), (26, 9209220), (30, 7981324), (39, 6139480), (40, 5985993), (52, 4604610), (60, 3990662), (65, 3683688), (78, 3069740), (104, 2302305), (120, 1995331), (130, 1841844), (156, 1534870), (195, 1227896), (260, 920922), (312, 767435), (390, 613948), (520, 460461), (780, 306974), (1560, 153487)]