217285740

素因数分解:

$2^2\times 3^6\times 5^1\times 7^1\times {\mathrm{2129}}^1$

素因数の和:2163

約数の個数: 168

約数和(自身を含む): 782238240

約数和(自身を除く): 564952500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 729, 756, 810, 945, 972, 1134, 1215, 1260, 1458, 1620, 1701, 1890, 2129, 2268, 2430, 2835, 2916, 3402, 3645, 3780, 4258, 4860, 5103, 5670, 6387, 6804, 7290, 8505, 8516, 10206, 10645, 11340, 12774, 14580, 14903, 17010, 19161, 20412, 21290, 25515, 25548, 29806, 31935, 34020, 38322, 42580, 44709, 51030, 57483, 59612, 63870, 74515, 76644, 89418, 95805, 102060, 114966, 127740, 134127, 149030, 172449, 178836, 191610, 223545, 229932, 268254, 287415, 298060, 344898, 383220, 402381, 447090, 517347, 536508, 574830, 670635, 689796, 804762, 862245, 894180, 1034694, 1149660, 1207143, 1341270, 1552041, 1609524, 1724490, 2011905, 2069388, 2414286, 2586735, 2682540, 3104082, 3448980, 3621429, 4023810, 4828572, 5173470, 6035715, 6208164, 7242858, 7760205, 8047620, 10346940, 10864287, 12071430, 14485716, 15520410, 18107145, 21728574, 24142860, 31040820, 36214290, 43457148, 54321435, 72428580, 108642870, 217285740]

約数ペア:

[(1, 217285740), (2, 108642870), (3, 72428580), (4, 54321435), (5, 43457148), (6, 36214290), (7, 31040820), (9, 24142860), (10, 21728574), (12, 18107145), (14, 15520410), (15, 14485716), (18, 12071430), (20, 10864287), (21, 10346940), (27, 8047620), (28, 7760205), (30, 7242858), (35, 6208164), (36, 6035715), (42, 5173470), (45, 4828572), (54, 4023810), (60, 3621429), (63, 3448980), (70, 3104082), (81, 2682540), (84, 2586735), (90, 2414286), (105, 2069388), (108, 2011905), (126, 1724490), (135, 1609524), (140, 1552041), (162, 1341270), (180, 1207143), (189, 1149660), (210, 1034694), (243, 894180), (252, 862245), (270, 804762), (315, 689796), (324, 670635), (378, 574830), (405, 536508), (420, 517347), (486, 447090), (540, 402381), (567, 383220), (630, 344898), (729, 298060), (756, 287415), (810, 268254), (945, 229932), (972, 223545), (1134, 191610), (1215, 178836), (1260, 172449), (1458, 149030), (1620, 134127), (1701, 127740), (1890, 114966), (2129, 102060), (2268, 95805), (2430, 89418), (2835, 76644), (2916, 74515), (3402, 63870), (3645, 59612), (3780, 57483), (4258, 51030), (4860, 44709), (5103, 42580), (5670, 38322), (6387, 34020), (6804, 31935), (7290, 29806), (8505, 25548), (8516, 25515), (10206, 21290), (10645, 20412), (11340, 19161), (12774, 17010), (14580, 14903)]