12398880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1$

素因数の和:2018

約数の個数: 96

約数和(自身を含む): 42081984

約数和(自身を除く): 29683104

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, 1987, 2080, 3120, 3974, 5961, 6240, 7948, 9935, 11922, 15896, 19870, 23844, 25831, 29805, 31792, 39740, 47688, 51662, 59610, 63584, 77493, 79480, 95376, 103324, 119220, 129155, 154986, 158960, 190752, 206648, 238440, 258310, 309972, 317920, 387465, 413296, 476880, 516620, 619944, 774930, 826592, 953760, 1033240, 1239888, 1549860, 2066480, 2479776, 3099720, 4132960, 6199440, 12398880]

約数ペア:

[(1, 12398880), (2, 6199440), (3, 4132960), (4, 3099720), (5, 2479776), (6, 2066480), (8, 1549860), (10, 1239888), (12, 1033240), (13, 953760), (15, 826592), (16, 774930), (20, 619944), (24, 516620), (26, 476880), (30, 413296), (32, 387465), (39, 317920), (40, 309972), (48, 258310), (52, 238440), (60, 206648), (65, 190752), (78, 158960), (80, 154986), (96, 129155), (104, 119220), (120, 103324), (130, 95376), (156, 79480), (160, 77493), (195, 63584), (208, 59610), (240, 51662), (260, 47688), (312, 39740), (390, 31792), (416, 29805), (480, 25831), (520, 23844), (624, 19870), (780, 15896), (1040, 11922), (1248, 9935), (1560, 7948), (1987, 6240), (2080, 5961), (3120, 3974)]