161558040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4691}}^1$

素因数の和:4753

約数の個数: 128

約数和(自身を含む): 567544320

約数和(自身を除く): 405986280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1722, 2296, 2460, 2870, 3444, 4305, 4691, 4920, 5740, 6888, 8610, 9382, 11480, 14073, 17220, 18764, 23455, 28146, 32837, 34440, 37528, 46910, 56292, 65674, 70365, 93820, 98511, 112584, 131348, 140730, 164185, 187640, 192331, 197022, 262696, 281460, 328370, 384662, 394044, 492555, 562920, 576993, 656740, 769324, 788088, 961655, 985110, 1153986, 1313480, 1346317, 1538648, 1923310, 1970220, 2307972, 2692634, 2884965, 3846620, 3940440, 4038951, 4615944, 5385268, 5769930, 6731585, 7693240, 8077902, 10770536, 11539860, 13463170, 16155804, 20194755, 23079720, 26926340, 32311608, 40389510, 53852680, 80779020, 161558040]

約数ペア:

[(1, 161558040), (2, 80779020), (3, 53852680), (4, 40389510), (5, 32311608), (6, 26926340), (7, 23079720), (8, 20194755), (10, 16155804), (12, 13463170), (14, 11539860), (15, 10770536), (20, 8077902), (21, 7693240), (24, 6731585), (28, 5769930), (30, 5385268), (35, 4615944), (40, 4038951), (41, 3940440), (42, 3846620), (56, 2884965), (60, 2692634), (70, 2307972), (82, 1970220), (84, 1923310), (105, 1538648), (120, 1346317), (123, 1313480), (140, 1153986), (164, 985110), (168, 961655), (205, 788088), (210, 769324), (246, 656740), (280, 576993), (287, 562920), (328, 492555), (410, 394044), (420, 384662), (492, 328370), (574, 281460), (615, 262696), (820, 197022), (840, 192331), (861, 187640), (984, 164185), (1148, 140730), (1230, 131348), (1435, 112584), (1640, 98511), (1722, 93820), (2296, 70365), (2460, 65674), (2870, 56292), (3444, 46910), (4305, 37528), (4691, 34440), (4920, 32837), (5740, 28146), (6888, 23455), (8610, 18764), (9382, 17220), (11480, 14073)]