8905140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:283

約数の個数: 120

約数和(自身を含む): 29272320

約数和(自身を除く): 20367180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 239, 270, 276, 324, 345, 405, 414, 460, 478, 540, 621, 690, 717, 810, 828, 956, 1035, 1195, 1242, 1380, 1434, 1620, 1863, 2070, 2151, 2390, 2484, 2868, 3105, 3585, 3726, 4140, 4302, 4780, 5497, 6210, 6453, 7170, 7452, 8604, 9315, 10755, 10994, 12420, 12906, 14340, 16491, 18630, 19359, 21510, 21988, 25812, 27485, 32265, 32982, 37260, 38718, 43020, 49473, 54970, 64530, 65964, 77436, 82455, 96795, 98946, 109940, 129060, 148419, 164910, 193590, 197892, 247365, 296838, 329820, 387180, 445257, 494730, 593676, 742095, 890514, 989460, 1484190, 1781028, 2226285, 2968380, 4452570, 8905140]

約数ペア:

[(1, 8905140), (2, 4452570), (3, 2968380), (4, 2226285), (5, 1781028), (6, 1484190), (9, 989460), (10, 890514), (12, 742095), (15, 593676), (18, 494730), (20, 445257), (23, 387180), (27, 329820), (30, 296838), (36, 247365), (45, 197892), (46, 193590), (54, 164910), (60, 148419), (69, 129060), (81, 109940), (90, 98946), (92, 96795), (108, 82455), (115, 77436), (135, 65964), (138, 64530), (162, 54970), (180, 49473), (207, 43020), (230, 38718), (239, 37260), (270, 32982), (276, 32265), (324, 27485), (345, 25812), (405, 21988), (414, 21510), (460, 19359), (478, 18630), (540, 16491), (621, 14340), (690, 12906), (717, 12420), (810, 10994), (828, 10755), (956, 9315), (1035, 8604), (1195, 7452), (1242, 7170), (1380, 6453), (1434, 6210), (1620, 5497), (1863, 4780), (2070, 4302), (2151, 4140), (2390, 3726), (2484, 3585), (2868, 3105)]