1661628800

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{677}}^1$

素因数の和:773

約数の個数: 192

約数和(自身を含む): 4502055600

約数和(自身を除く): 2840426800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 59, 64, 65, 80, 100, 104, 118, 128, 130, 160, 200, 208, 236, 260, 295, 320, 325, 400, 416, 472, 520, 590, 640, 650, 677, 767, 800, 832, 944, 1040, 1180, 1300, 1354, 1475, 1534, 1600, 1664, 1888, 2080, 2360, 2600, 2708, 2950, 3068, 3200, 3385, 3776, 3835, 4160, 4720, 5200, 5416, 5900, 6136, 6770, 7552, 7670, 8320, 8801, 9440, 10400, 10832, 11800, 12272, 13540, 15340, 16925, 17602, 18880, 19175, 20800, 21664, 23600, 24544, 27080, 30680, 33850, 35204, 37760, 38350, 39943, 41600, 43328, 44005, 47200, 49088, 54160, 61360, 67700, 70408, 76700, 79886, 86656, 88010, 94400, 98176, 108320, 122720, 135400, 140816, 153400, 159772, 176020, 188800, 199715, 216640, 220025, 245440, 270800, 281632, 306800, 319544, 352040, 399430, 433280, 440050, 490880, 519259, 541600, 563264, 613600, 639088, 704080, 798860, 880100, 998575, 1038518, 1083200, 1126528, 1227200, 1278176, 1408160, 1597720, 1760200, 1997150, 2077036, 2166400, 2454400, 2556352, 2596295, 2816320, 3195440, 3520400, 3994300, 4154072, 5112704, 5192590, 5632640, 6390880, 7040800, 7988600, 8308144, 10385180, 12781760, 12981475, 14081600, 15977200, 16616288, 20770360, 25563520, 25962950, 28163200, 31954400, 33232576, 41540720, 51925900, 63908800, 66465152, 83081440, 103851800, 127817600, 166162880, 207703600, 332325760, 415407200, 830814400, 1661628800]

約数ペア:

[(1, 1661628800), (2, 830814400), (4, 415407200), (5, 332325760), (8, 207703600), (10, 166162880), (13, 127817600), (16, 103851800), (20, 83081440), (25, 66465152), (26, 63908800), (32, 51925900), (40, 41540720), (50, 33232576), (52, 31954400), (59, 28163200), (64, 25962950), (65, 25563520), (80, 20770360), (100, 16616288), (104, 15977200), (118, 14081600), (128, 12981475), (130, 12781760), (160, 10385180), (200, 8308144), (208, 7988600), (236, 7040800), (260, 6390880), (295, 5632640), (320, 5192590), (325, 5112704), (400, 4154072), (416, 3994300), (472, 3520400), (520, 3195440), (590, 2816320), (640, 2596295), (650, 2556352), (677, 2454400), (767, 2166400), (800, 2077036), (832, 1997150), (944, 1760200), (1040, 1597720), (1180, 1408160), (1300, 1278176), (1354, 1227200), (1475, 1126528), (1534, 1083200), (1600, 1038518), (1664, 998575), (1888, 880100), (2080, 798860), (2360, 704080), (2600, 639088), (2708, 613600), (2950, 563264), (3068, 541600), (3200, 519259), (3385, 490880), (3776, 440050), (3835, 433280), (4160, 399430), (4720, 352040), (5200, 319544), (5416, 306800), (5900, 281632), (6136, 270800), (6770, 245440), (7552, 220025), (7670, 216640), (8320, 199715), (8801, 188800), (9440, 176020), (10400, 159772), (10832, 153400), (11800, 140816), (12272, 135400), (13540, 122720), (15340, 108320), (16925, 98176), (17602, 94400), (18880, 88010), (19175, 86656), (20800, 79886), (21664, 76700), (23600, 70408), (24544, 67700), (27080, 61360), (30680, 54160), (33850, 49088), (35204, 47200), (37760, 44005), (38350, 43328), (39943, 41600)]