18679440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5987}}^1$

素因数の和:6016

約数の個数: 80

約数和(自身を含む): 62371008

約数和(自身を除く): 43691568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 5987, 11974, 17961, 23948, 29935, 35922, 47896, 59870, 71844, 77831, 89805, 95792, 119740, 143688, 155662, 179610, 233493, 239480, 287376, 311324, 359220, 389155, 466986, 478960, 622648, 718440, 778310, 933972, 1167465, 1245296, 1436880, 1556620, 1867944, 2334930, 3113240, 3735888, 4669860, 6226480, 9339720, 18679440]

約数ペア:

[(1, 18679440), (2, 9339720), (3, 6226480), (4, 4669860), (5, 3735888), (6, 3113240), (8, 2334930), (10, 1867944), (12, 1556620), (13, 1436880), (15, 1245296), (16, 1167465), (20, 933972), (24, 778310), (26, 718440), (30, 622648), (39, 478960), (40, 466986), (48, 389155), (52, 359220), (60, 311324), (65, 287376), (78, 239480), (80, 233493), (104, 179610), (120, 155662), (130, 143688), (156, 119740), (195, 95792), (208, 89805), (240, 77831), (260, 71844), (312, 59870), (390, 47896), (520, 35922), (624, 29935), (780, 23948), (1040, 17961), (1560, 11974), (3120, 5987)]