645720372

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{271}}^1\times {\mathrm{547}}^1$

素因数の和:850

約数の個数: 108

約数和(自身を含む): 1804024768

約数和(自身を除く): 1158304396

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 271, 363, 396, 484, 542, 547, 726, 813, 1084, 1089, 1094, 1452, 1626, 1641, 2178, 2188, 2439, 2981, 3252, 3282, 4356, 4878, 4923, 5962, 6017, 6564, 8943, 9756, 9846, 11924, 12034, 17886, 18051, 19692, 24068, 26829, 32791, 35772, 36102, 53658, 54153, 65582, 66187, 72204, 98373, 107316, 108306, 131164, 132374, 148237, 196746, 198561, 216612, 264748, 295119, 296474, 393492, 397122, 444711, 590238, 592948, 595683, 794244, 889422, 1180476, 1191366, 1334133, 1630607, 1778844, 2382732, 2668266, 3261214, 4891821, 5336532, 6522428, 9783642, 14675463, 17936677, 19567284, 29350926, 35873354, 53810031, 58701852, 71746708, 107620062, 161430093, 215240124, 322860186, 645720372]

約数ペア:

[(1, 645720372), (2, 322860186), (3, 215240124), (4, 161430093), (6, 107620062), (9, 71746708), (11, 58701852), (12, 53810031), (18, 35873354), (22, 29350926), (33, 19567284), (36, 17936677), (44, 14675463), (66, 9783642), (99, 6522428), (121, 5336532), (132, 4891821), (198, 3261214), (242, 2668266), (271, 2382732), (363, 1778844), (396, 1630607), (484, 1334133), (542, 1191366), (547, 1180476), (726, 889422), (813, 794244), (1084, 595683), (1089, 592948), (1094, 590238), (1452, 444711), (1626, 397122), (1641, 393492), (2178, 296474), (2188, 295119), (2439, 264748), (2981, 216612), (3252, 198561), (3282, 196746), (4356, 148237), (4878, 132374), (4923, 131164), (5962, 108306), (6017, 107316), (6564, 98373), (8943, 72204), (9756, 66187), (9846, 65582), (11924, 54153), (12034, 53658), (17886, 36102), (18051, 35772), (19692, 32791), (24068, 26829)]