220186720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:537

約数の個数: 144

約数和(自身を含む): 597663360

約数和(自身を除く): 377476640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 169, 170, 208, 221, 260, 272, 338, 340, 416, 442, 479, 520, 544, 676, 680, 845, 884, 958, 1040, 1105, 1352, 1360, 1690, 1768, 1916, 2080, 2210, 2395, 2704, 2720, 2873, 3380, 3536, 3832, 4420, 4790, 5408, 5746, 6227, 6760, 7072, 7664, 8143, 8840, 9580, 11492, 12454, 13520, 14365, 15328, 16286, 17680, 19160, 22984, 24908, 27040, 28730, 31135, 32572, 35360, 38320, 40715, 45968, 49816, 57460, 62270, 65144, 76640, 80951, 81430, 91936, 99632, 105859, 114920, 124540, 130288, 161902, 162860, 199264, 211718, 229840, 249080, 260576, 323804, 325720, 404755, 423436, 459680, 498160, 529295, 647608, 651440, 809510, 846872, 996320, 1058590, 1295216, 1302880, 1376167, 1619020, 1693744, 2117180, 2590432, 2752334, 3238040, 3387488, 4234360, 5504668, 6476080, 6880835, 8468720, 11009336, 12952160, 13761670, 16937440, 22018672, 27523340, 44037344, 55046680, 110093360, 220186720]

約数ペア:

[(1, 220186720), (2, 110093360), (4, 55046680), (5, 44037344), (8, 27523340), (10, 22018672), (13, 16937440), (16, 13761670), (17, 12952160), (20, 11009336), (26, 8468720), (32, 6880835), (34, 6476080), (40, 5504668), (52, 4234360), (65, 3387488), (68, 3238040), (80, 2752334), (85, 2590432), (104, 2117180), (130, 1693744), (136, 1619020), (160, 1376167), (169, 1302880), (170, 1295216), (208, 1058590), (221, 996320), (260, 846872), (272, 809510), (338, 651440), (340, 647608), (416, 529295), (442, 498160), (479, 459680), (520, 423436), (544, 404755), (676, 325720), (680, 323804), (845, 260576), (884, 249080), (958, 229840), (1040, 211718), (1105, 199264), (1352, 162860), (1360, 161902), (1690, 130288), (1768, 124540), (1916, 114920), (2080, 105859), (2210, 99632), (2395, 91936), (2704, 81430), (2720, 80951), (2873, 76640), (3380, 65144), (3536, 62270), (3832, 57460), (4420, 49816), (4790, 45968), (5408, 40715), (5746, 38320), (6227, 35360), (6760, 32572), (7072, 31135), (7664, 28730), (8143, 27040), (8840, 24908), (9580, 22984), (11492, 19160), (12454, 17680), (13520, 16286), (14365, 15328)]