1640497416

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{401}}^1$

素因数の和:735

約数の個数: 128

約数和(自身を含む): 4487477760

約数和(自身を除く): 2846980344

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 37, 51, 68, 74, 102, 111, 136, 148, 204, 222, 271, 296, 401, 408, 444, 542, 629, 802, 813, 888, 1084, 1203, 1258, 1604, 1626, 1887, 2168, 2406, 2516, 3208, 3252, 3774, 4607, 4812, 5032, 6504, 6817, 7548, 9214, 9624, 10027, 13634, 13821, 14837, 15096, 18428, 20054, 20451, 27268, 27642, 29674, 30081, 36856, 40108, 40902, 44511, 54536, 55284, 59348, 60162, 80216, 81804, 89022, 108671, 110568, 118696, 120324, 163608, 170459, 178044, 217342, 240648, 252229, 326013, 340918, 356088, 434684, 504458, 511377, 652026, 681836, 756687, 869368, 1008916, 1022754, 1304052, 1363672, 1513374, 1847407, 2017832, 2045508, 2608104, 3026748, 3694814, 4020827, 4091016, 5542221, 6053496, 7389628, 8041654, 11084442, 12062481, 14779256, 16083308, 22168884, 24124962, 32166616, 44337768, 48249924, 68354059, 96499848, 136708118, 205062177, 273416236, 410124354, 546832472, 820248708, 1640497416]

約数ペア:

[(1, 1640497416), (2, 820248708), (3, 546832472), (4, 410124354), (6, 273416236), (8, 205062177), (12, 136708118), (17, 96499848), (24, 68354059), (34, 48249924), (37, 44337768), (51, 32166616), (68, 24124962), (74, 22168884), (102, 16083308), (111, 14779256), (136, 12062481), (148, 11084442), (204, 8041654), (222, 7389628), (271, 6053496), (296, 5542221), (401, 4091016), (408, 4020827), (444, 3694814), (542, 3026748), (629, 2608104), (802, 2045508), (813, 2017832), (888, 1847407), (1084, 1513374), (1203, 1363672), (1258, 1304052), (1604, 1022754), (1626, 1008916), (1887, 869368), (2168, 756687), (2406, 681836), (2516, 652026), (3208, 511377), (3252, 504458), (3774, 434684), (4607, 356088), (4812, 340918), (5032, 326013), (6504, 252229), (6817, 240648), (7548, 217342), (9214, 178044), (9624, 170459), (10027, 163608), (13634, 120324), (13821, 118696), (14837, 110568), (15096, 108671), (18428, 89022), (20054, 81804), (20451, 80216), (27268, 60162), (27642, 59348), (29674, 55284), (30081, 54536), (36856, 44511), (40108, 40902)]