123445620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:623

約数の個数: 120

約数和(自身を含む): 390317928

約数和(自身を除く): 266872308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 181, 270, 324, 362, 405, 421, 540, 543, 724, 810, 842, 905, 1086, 1263, 1620, 1629, 1684, 1810, 2105, 2172, 2526, 2715, 3258, 3620, 3789, 4210, 4887, 5052, 5430, 6315, 6516, 7578, 8145, 8420, 9774, 10860, 11367, 12630, 14661, 15156, 16290, 18945, 19548, 22734, 24435, 25260, 29322, 32580, 34101, 37890, 45468, 48870, 56835, 58644, 68202, 73305, 75780, 76201, 97740, 113670, 136404, 146610, 152402, 170505, 227340, 228603, 293220, 304804, 341010, 381005, 457206, 682020, 685809, 762010, 914412, 1143015, 1371618, 1524020, 2057427, 2286030, 2743236, 3429045, 4114854, 4572060, 6172281, 6858090, 8229708, 10287135, 12344562, 13716180, 20574270, 24689124, 30861405, 41148540, 61722810, 123445620]

約数ペア:

[(1, 123445620), (2, 61722810), (3, 41148540), (4, 30861405), (5, 24689124), (6, 20574270), (9, 13716180), (10, 12344562), (12, 10287135), (15, 8229708), (18, 6858090), (20, 6172281), (27, 4572060), (30, 4114854), (36, 3429045), (45, 2743236), (54, 2286030), (60, 2057427), (81, 1524020), (90, 1371618), (108, 1143015), (135, 914412), (162, 762010), (180, 685809), (181, 682020), (270, 457206), (324, 381005), (362, 341010), (405, 304804), (421, 293220), (540, 228603), (543, 227340), (724, 170505), (810, 152402), (842, 146610), (905, 136404), (1086, 113670), (1263, 97740), (1620, 76201), (1629, 75780), (1684, 73305), (1810, 68202), (2105, 58644), (2172, 56835), (2526, 48870), (2715, 45468), (3258, 37890), (3620, 34101), (3789, 32580), (4210, 29322), (4887, 25260), (5052, 24435), (5430, 22734), (6315, 19548), (6516, 18945), (7578, 16290), (8145, 15156), (8420, 14661), (9774, 12630), (10860, 11367)]