251145720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{99661}}^1$

素因数の和:99685

約数の個数: 96

約数和(自身を含む): 932836320

約数和(自身を除く): 681690600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 99661, 199322, 298983, 398644, 498305, 597966, 697627, 797288, 896949, 996610, 1195932, 1395254, 1494915, 1793898, 1993220, 2092881, 2391864, 2790508, 2989830, 3488135, 3587796, 3986440, 4185762, 4484745, 5581016, 5979660, 6278643, 6976270, 7175592, 8371524, 8969490, 10464405, 11959320, 12557286, 13952540, 16743048, 17938980, 20928810, 25114572, 27905080, 31393215, 35877960, 41857620, 50229144, 62786430, 83715240, 125572860, 251145720]

約数ペア:

[(1, 251145720), (2, 125572860), (3, 83715240), (4, 62786430), (5, 50229144), (6, 41857620), (7, 35877960), (8, 31393215), (9, 27905080), (10, 25114572), (12, 20928810), (14, 17938980), (15, 16743048), (18, 13952540), (20, 12557286), (21, 11959320), (24, 10464405), (28, 8969490), (30, 8371524), (35, 7175592), (36, 6976270), (40, 6278643), (42, 5979660), (45, 5581016), (56, 4484745), (60, 4185762), (63, 3986440), (70, 3587796), (72, 3488135), (84, 2989830), (90, 2790508), (105, 2391864), (120, 2092881), (126, 1993220), (140, 1793898), (168, 1494915), (180, 1395254), (210, 1195932), (252, 996610), (280, 896949), (315, 797288), (360, 697627), (420, 597966), (504, 498305), (630, 398644), (840, 298983), (1260, 199322), (2520, 99661)]