202880720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:349

約数の個数: 160

約数和(自身を含む): 579177216

約数和(自身を除く): 376296496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 101, 112, 119, 136, 140, 170, 202, 211, 238, 272, 280, 340, 404, 422, 476, 505, 560, 595, 680, 707, 808, 844, 952, 1010, 1055, 1190, 1360, 1414, 1477, 1616, 1688, 1717, 1904, 2020, 2110, 2380, 2828, 2954, 3376, 3434, 3535, 3587, 4040, 4220, 4760, 5656, 5908, 6868, 7070, 7174, 7385, 8080, 8440, 8585, 9520, 11312, 11816, 12019, 13736, 14140, 14348, 14770, 16880, 17170, 17935, 21311, 23632, 24038, 25109, 27472, 28280, 28696, 29540, 34340, 35870, 42622, 48076, 50218, 56560, 57392, 59080, 60095, 68680, 71740, 85244, 96152, 100436, 106555, 118160, 120190, 125545, 137360, 143480, 149177, 170488, 192304, 200872, 213110, 240380, 251090, 286960, 298354, 340976, 362287, 401744, 426220, 480760, 502180, 596708, 724574, 745885, 852440, 961520, 1004360, 1193416, 1449148, 1491770, 1704880, 1811435, 2008720, 2386832, 2536009, 2898296, 2983540, 3622870, 5072018, 5796592, 5967080, 7245740, 10144036, 11934160, 12680045, 14491480, 20288072, 25360090, 28982960, 40576144, 50720180, 101440360, 202880720]

約数ペア:

[(1, 202880720), (2, 101440360), (4, 50720180), (5, 40576144), (7, 28982960), (8, 25360090), (10, 20288072), (14, 14491480), (16, 12680045), (17, 11934160), (20, 10144036), (28, 7245740), (34, 5967080), (35, 5796592), (40, 5072018), (56, 3622870), (68, 2983540), (70, 2898296), (80, 2536009), (85, 2386832), (101, 2008720), (112, 1811435), (119, 1704880), (136, 1491770), (140, 1449148), (170, 1193416), (202, 1004360), (211, 961520), (238, 852440), (272, 745885), (280, 724574), (340, 596708), (404, 502180), (422, 480760), (476, 426220), (505, 401744), (560, 362287), (595, 340976), (680, 298354), (707, 286960), (808, 251090), (844, 240380), (952, 213110), (1010, 200872), (1055, 192304), (1190, 170488), (1360, 149177), (1414, 143480), (1477, 137360), (1616, 125545), (1688, 120190), (1717, 118160), (1904, 106555), (2020, 100436), (2110, 96152), (2380, 85244), (2828, 71740), (2954, 68680), (3376, 60095), (3434, 59080), (3535, 57392), (3587, 56560), (4040, 50218), (4220, 48076), (4760, 42622), (5656, 35870), (5908, 34340), (6868, 29540), (7070, 28696), (7174, 28280), (7385, 27472), (8080, 25109), (8440, 24038), (8585, 23632), (9520, 21311), (11312, 17935), (11816, 17170), (12019, 16880), (13736, 14770), (14140, 14348)]