161997360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1$

素因数の和:691

約数の個数: 160

約数和(自身を含む): 577915392

約数和(自身を除く): 415918032

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, 105, 112, 120, 140, 168, 210, 211, 240, 280, 336, 420, 422, 457, 560, 633, 840, 844, 914, 1055, 1266, 1371, 1477, 1680, 1688, 1828, 2110, 2285, 2532, 2742, 2954, 3165, 3199, 3376, 3656, 4220, 4431, 4570, 5064, 5484, 5908, 6330, 6398, 6855, 7312, 7385, 8440, 8862, 9140, 9597, 10128, 10968, 11816, 12660, 12796, 13710, 14770, 15995, 16880, 17724, 18280, 19194, 21936, 22155, 23632, 25320, 25592, 27420, 29540, 31990, 35448, 36560, 38388, 44310, 47985, 50640, 51184, 54840, 59080, 63980, 70896, 76776, 88620, 95970, 96427, 109680, 118160, 127960, 153552, 177240, 191940, 192854, 255920, 289281, 354480, 383880, 385708, 482135, 578562, 674989, 767760, 771416, 964270, 1157124, 1349978, 1446405, 1542832, 1928540, 2024967, 2314248, 2699956, 2892810, 3374945, 3857080, 4049934, 4628496, 5399912, 5785620, 6749890, 7714160, 8099868, 10124835, 10799824, 11571240, 13499780, 16199736, 20249670, 23142480, 26999560, 32399472, 40499340, 53999120, 80998680, 161997360]

約数ペア:

[(1, 161997360), (2, 80998680), (3, 53999120), (4, 40499340), (5, 32399472), (6, 26999560), (7, 23142480), (8, 20249670), (10, 16199736), (12, 13499780), (14, 11571240), (15, 10799824), (16, 10124835), (20, 8099868), (21, 7714160), (24, 6749890), (28, 5785620), (30, 5399912), (35, 4628496), (40, 4049934), (42, 3857080), (48, 3374945), (56, 2892810), (60, 2699956), (70, 2314248), (80, 2024967), (84, 1928540), (105, 1542832), (112, 1446405), (120, 1349978), (140, 1157124), (168, 964270), (210, 771416), (211, 767760), (240, 674989), (280, 578562), (336, 482135), (420, 385708), (422, 383880), (457, 354480), (560, 289281), (633, 255920), (840, 192854), (844, 191940), (914, 177240), (1055, 153552), (1266, 127960), (1371, 118160), (1477, 109680), (1680, 96427), (1688, 95970), (1828, 88620), (2110, 76776), (2285, 70896), (2532, 63980), (2742, 59080), (2954, 54840), (3165, 51184), (3199, 50640), (3376, 47985), (3656, 44310), (4220, 38388), (4431, 36560), (4570, 35448), (5064, 31990), (5484, 29540), (5908, 27420), (6330, 25592), (6398, 25320), (6855, 23632), (7312, 22155), (7385, 21936), (8440, 19194), (8862, 18280), (9140, 17724), (9597, 16880), (10128, 15995), (10968, 14770), (11816, 13710), (12660, 12796)]