641582640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{937}}^1$

素因数の和:1276

約数の個数: 160

約数和(自身を含む): 2219232960

約数和(自身を除く): 1577650320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 317, 360, 432, 540, 634, 720, 937, 951, 1080, 1268, 1585, 1874, 1902, 2160, 2536, 2811, 2853, 3170, 3748, 3804, 4685, 4755, 5072, 5622, 5706, 6340, 7496, 7608, 8433, 8559, 9370, 9510, 11244, 11412, 12680, 14055, 14265, 14992, 15216, 16866, 17118, 18740, 19020, 22488, 22824, 25299, 25360, 28110, 28530, 33732, 34236, 37480, 38040, 42165, 42795, 44976, 45648, 50598, 56220, 57060, 67464, 68472, 74960, 76080, 84330, 85590, 101196, 112440, 114120, 126495, 134928, 136944, 168660, 171180, 202392, 224880, 228240, 252990, 297029, 337320, 342360, 404784, 505980, 594058, 674640, 684720, 891087, 1011960, 1188116, 1485145, 1782174, 2023920, 2376232, 2673261, 2970290, 3564348, 4455435, 4752464, 5346522, 5940580, 7128696, 8019783, 8910870, 10693044, 11881160, 13366305, 14257392, 16039566, 17821740, 21386088, 23762320, 26732610, 32079132, 35643480, 40098915, 42772176, 53465220, 64158264, 71286960, 80197830, 106930440, 128316528, 160395660, 213860880, 320791320, 641582640]

約数ペア:

[(1, 641582640), (2, 320791320), (3, 213860880), (4, 160395660), (5, 128316528), (6, 106930440), (8, 80197830), (9, 71286960), (10, 64158264), (12, 53465220), (15, 42772176), (16, 40098915), (18, 35643480), (20, 32079132), (24, 26732610), (27, 23762320), (30, 21386088), (36, 17821740), (40, 16039566), (45, 14257392), (48, 13366305), (54, 11881160), (60, 10693044), (72, 8910870), (80, 8019783), (90, 7128696), (108, 5940580), (120, 5346522), (135, 4752464), (144, 4455435), (180, 3564348), (216, 2970290), (240, 2673261), (270, 2376232), (317, 2023920), (360, 1782174), (432, 1485145), (540, 1188116), (634, 1011960), (720, 891087), (937, 684720), (951, 674640), (1080, 594058), (1268, 505980), (1585, 404784), (1874, 342360), (1902, 337320), (2160, 297029), (2536, 252990), (2811, 228240), (2853, 224880), (3170, 202392), (3748, 171180), (3804, 168660), (4685, 136944), (4755, 134928), (5072, 126495), (5622, 114120), (5706, 112440), (6340, 101196), (7496, 85590), (7608, 84330), (8433, 76080), (8559, 74960), (9370, 68472), (9510, 67464), (11244, 57060), (11412, 56220), (12680, 50598), (14055, 45648), (14265, 44976), (14992, 42795), (15216, 42165), (16866, 38040), (17118, 37480), (18740, 34236), (19020, 33732), (22488, 28530), (22824, 28110), (25299, 25360)]