248647560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^4\times {\mathrm{863}}^1$

素因数の和:905

約数の個数: 160

約数和(自身を含む): 871223040

約数和(自身を除く): 622575480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 863, 980, 1029, 1176, 1372, 1470, 1715, 1726, 1960, 2058, 2401, 2589, 2744, 2940, 3430, 3452, 4116, 4315, 4802, 5145, 5178, 5880, 6041, 6860, 6904, 7203, 8232, 8630, 9604, 10290, 10356, 12005, 12082, 12945, 13720, 14406, 17260, 18123, 19208, 20580, 20712, 24010, 24164, 25890, 28812, 30205, 34520, 36015, 36246, 41160, 42287, 48020, 48328, 51780, 57624, 60410, 72030, 72492, 84574, 90615, 96040, 103560, 120820, 126861, 144060, 144984, 169148, 181230, 211435, 241640, 253722, 288120, 296009, 338296, 362460, 422870, 507444, 592018, 634305, 724920, 845740, 888027, 1014888, 1184036, 1268610, 1480045, 1691480, 1776054, 2072063, 2368072, 2537220, 2960090, 3552108, 4144126, 4440135, 5074440, 5920180, 6216189, 7104216, 8288252, 8880270, 10360315, 11840360, 12432378, 16576504, 17760540, 20720630, 24864756, 31080945, 35521080, 41441260, 49729512, 62161890, 82882520, 124323780, 248647560]

約数ペア:

[(1, 248647560), (2, 124323780), (3, 82882520), (4, 62161890), (5, 49729512), (6, 41441260), (7, 35521080), (8, 31080945), (10, 24864756), (12, 20720630), (14, 17760540), (15, 16576504), (20, 12432378), (21, 11840360), (24, 10360315), (28, 8880270), (30, 8288252), (35, 7104216), (40, 6216189), (42, 5920180), (49, 5074440), (56, 4440135), (60, 4144126), (70, 3552108), (84, 2960090), (98, 2537220), (105, 2368072), (120, 2072063), (140, 1776054), (147, 1691480), (168, 1480045), (196, 1268610), (210, 1184036), (245, 1014888), (280, 888027), (294, 845740), (343, 724920), (392, 634305), (420, 592018), (490, 507444), (588, 422870), (686, 362460), (735, 338296), (840, 296009), (863, 288120), (980, 253722), (1029, 241640), (1176, 211435), (1372, 181230), (1470, 169148), (1715, 144984), (1726, 144060), (1960, 126861), (2058, 120820), (2401, 103560), (2589, 96040), (2744, 90615), (2940, 84574), (3430, 72492), (3452, 72030), (4116, 60410), (4315, 57624), (4802, 51780), (5145, 48328), (5178, 48020), (5880, 42287), (6041, 41160), (6860, 36246), (6904, 36015), (7203, 34520), (8232, 30205), (8630, 28812), (9604, 25890), (10290, 24164), (10356, 24010), (12005, 20712), (12082, 20580), (12945, 19208), (13720, 18123), (14406, 17260)]