128720160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1259}}^1$

素因数の和:1351

約数の個数: 144

約数和(自身を含む): 445798080

約数和(自身を除く): 317077920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 284, 288, 355, 360, 426, 480, 568, 639, 710, 720, 852, 1065, 1136, 1259, 1278, 1420, 1440, 1704, 2130, 2272, 2518, 2556, 2840, 3195, 3408, 3777, 4260, 5036, 5112, 5680, 6295, 6390, 6816, 7554, 8520, 10072, 10224, 11331, 11360, 12590, 12780, 15108, 17040, 18885, 20144, 20448, 22662, 25180, 25560, 30216, 34080, 37770, 40288, 45324, 50360, 51120, 56655, 60432, 75540, 89389, 90648, 100720, 102240, 113310, 120864, 151080, 178778, 181296, 201440, 226620, 268167, 302160, 357556, 362592, 446945, 453240, 536334, 604320, 715112, 804501, 893890, 906480, 1072668, 1340835, 1430224, 1609002, 1787780, 1812960, 2145336, 2681670, 2860448, 3218004, 3575560, 4022505, 4290672, 5363340, 6436008, 7151120, 8045010, 8581344, 10726680, 12872016, 14302240, 16090020, 21453360, 25744032, 32180040, 42906720, 64360080, 128720160]

約数ペア:

[(1, 128720160), (2, 64360080), (3, 42906720), (4, 32180040), (5, 25744032), (6, 21453360), (8, 16090020), (9, 14302240), (10, 12872016), (12, 10726680), (15, 8581344), (16, 8045010), (18, 7151120), (20, 6436008), (24, 5363340), (30, 4290672), (32, 4022505), (36, 3575560), (40, 3218004), (45, 2860448), (48, 2681670), (60, 2145336), (71, 1812960), (72, 1787780), (80, 1609002), (90, 1430224), (96, 1340835), (120, 1072668), (142, 906480), (144, 893890), (160, 804501), (180, 715112), (213, 604320), (240, 536334), (284, 453240), (288, 446945), (355, 362592), (360, 357556), (426, 302160), (480, 268167), (568, 226620), (639, 201440), (710, 181296), (720, 178778), (852, 151080), (1065, 120864), (1136, 113310), (1259, 102240), (1278, 100720), (1420, 90648), (1440, 89389), (1704, 75540), (2130, 60432), (2272, 56655), (2518, 51120), (2556, 50360), (2840, 45324), (3195, 40288), (3408, 37770), (3777, 34080), (4260, 30216), (5036, 25560), (5112, 25180), (5680, 22662), (6295, 20448), (6390, 20144), (6816, 18885), (7554, 17040), (8520, 15108), (10072, 12780), (10224, 12590), (11331, 11360)]