1639207920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9473}}^1$

素因数の和:9599

約数の個数: 160

約数和(自身を含む): 5864481792

約数和(自身を除く): 4225273872

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 103, 105, 112, 120, 140, 168, 206, 210, 240, 280, 309, 336, 412, 420, 515, 560, 618, 721, 824, 840, 1030, 1236, 1442, 1545, 1648, 1680, 2060, 2163, 2472, 2884, 3090, 3605, 4120, 4326, 4944, 5768, 6180, 7210, 8240, 8652, 9473, 10815, 11536, 12360, 14420, 17304, 18946, 21630, 24720, 28419, 28840, 34608, 37892, 43260, 47365, 56838, 57680, 66311, 75784, 86520, 94730, 113676, 132622, 142095, 151568, 173040, 189460, 198933, 227352, 265244, 284190, 331555, 378920, 397866, 454704, 530488, 568380, 663110, 757840, 795732, 975719, 994665, 1060976, 1136760, 1326220, 1591464, 1951438, 1989330, 2273520, 2652440, 2927157, 3182928, 3902876, 3978660, 4878595, 5304880, 5854314, 6830033, 7805752, 7957320, 9757190, 11708628, 13660066, 14635785, 15611504, 15914640, 19514380, 20490099, 23417256, 27320132, 29271570, 34150165, 39028760, 40980198, 46834512, 54640264, 58543140, 68300330, 78057520, 81960396, 102450495, 109280528, 117086280, 136600660, 163920792, 204900990, 234172560, 273201320, 327841584, 409801980, 546402640, 819603960, 1639207920]

約数ペア:

[(1, 1639207920), (2, 819603960), (3, 546402640), (4, 409801980), (5, 327841584), (6, 273201320), (7, 234172560), (8, 204900990), (10, 163920792), (12, 136600660), (14, 117086280), (15, 109280528), (16, 102450495), (20, 81960396), (21, 78057520), (24, 68300330), (28, 58543140), (30, 54640264), (35, 46834512), (40, 40980198), (42, 39028760), (48, 34150165), (56, 29271570), (60, 27320132), (70, 23417256), (80, 20490099), (84, 19514380), (103, 15914640), (105, 15611504), (112, 14635785), (120, 13660066), (140, 11708628), (168, 9757190), (206, 7957320), (210, 7805752), (240, 6830033), (280, 5854314), (309, 5304880), (336, 4878595), (412, 3978660), (420, 3902876), (515, 3182928), (560, 2927157), (618, 2652440), (721, 2273520), (824, 1989330), (840, 1951438), (1030, 1591464), (1236, 1326220), (1442, 1136760), (1545, 1060976), (1648, 994665), (1680, 975719), (2060, 795732), (2163, 757840), (2472, 663110), (2884, 568380), (3090, 530488), (3605, 454704), (4120, 397866), (4326, 378920), (4944, 331555), (5768, 284190), (6180, 265244), (7210, 227352), (8240, 198933), (8652, 189460), (9473, 173040), (10815, 151568), (11536, 142095), (12360, 132622), (14420, 113676), (17304, 94730), (18946, 86520), (21630, 75784), (24720, 66311), (28419, 57680), (28840, 56838), (34608, 47365), (37892, 43260)]