20148960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3229}}^1$

素因数の和:3260

約数の個数: 96

約数和(自身を含む): 68372640

約数和(自身を除く): 48223680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 3229, 6240, 6458, 9687, 12916, 16145, 19374, 25832, 32290, 38748, 41977, 48435, 51664, 64580, 77496, 83954, 96870, 103328, 125931, 129160, 154992, 167908, 193740, 209885, 251862, 258320, 309984, 335816, 387480, 419770, 503724, 516640, 629655, 671632, 774960, 839540, 1007448, 1259310, 1343264, 1549920, 1679080, 2014896, 2518620, 3358160, 4029792, 5037240, 6716320, 10074480, 20148960]

約数ペア:

[(1, 20148960), (2, 10074480), (3, 6716320), (4, 5037240), (5, 4029792), (6, 3358160), (8, 2518620), (10, 2014896), (12, 1679080), (13, 1549920), (15, 1343264), (16, 1259310), (20, 1007448), (24, 839540), (26, 774960), (30, 671632), (32, 629655), (39, 516640), (40, 503724), (48, 419770), (52, 387480), (60, 335816), (65, 309984), (78, 258320), (80, 251862), (96, 209885), (104, 193740), (120, 167908), (130, 154992), (156, 129160), (160, 125931), (195, 103328), (208, 96870), (240, 83954), (260, 77496), (312, 64580), (390, 51664), (416, 48435), (480, 41977), (520, 38748), (624, 32290), (780, 25832), (1040, 19374), (1248, 16145), (1560, 12916), (2080, 9687), (3120, 6458), (3229, 6240)]