845490880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{563}}^1$

素因数の和:631

約数の個数: 168

約数和(自身を含む): 2292382512

約数和(自身を除く): 1446891632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 361, 380, 416, 494, 520, 563, 608, 722, 760, 832, 988, 1040, 1126, 1216, 1235, 1444, 1520, 1805, 1976, 2080, 2252, 2470, 2815, 2888, 3040, 3610, 3952, 4160, 4504, 4693, 4940, 5630, 5776, 6080, 7220, 7319, 7904, 9008, 9386, 9880, 10697, 11260, 11552, 14440, 14638, 15808, 18016, 18772, 19760, 21394, 22520, 23104, 23465, 28880, 29276, 36032, 36595, 37544, 39520, 42788, 45040, 46930, 53485, 57760, 58552, 73190, 75088, 79040, 85576, 90080, 93860, 106970, 115520, 117104, 139061, 146380, 150176, 171152, 180160, 187720, 203243, 213940, 234208, 278122, 292760, 300352, 342304, 375440, 406486, 427880, 468416, 556244, 585520, 684608, 695305, 750880, 812972, 855760, 1016215, 1112488, 1171040, 1390610, 1501760, 1625944, 1711520, 2032430, 2224976, 2342080, 2642159, 2781220, 3251888, 3423040, 4064860, 4449952, 5284318, 5562440, 6503776, 8129720, 8899904, 10568636, 11124880, 13007552, 13210795, 16259440, 21137272, 22249760, 26421590, 32518880, 42274544, 44499520, 52843180, 65037760, 84549088, 105686360, 169098176, 211372720, 422745440, 845490880]

約数ペア:

[(1, 845490880), (2, 422745440), (4, 211372720), (5, 169098176), (8, 105686360), (10, 84549088), (13, 65037760), (16, 52843180), (19, 44499520), (20, 42274544), (26, 32518880), (32, 26421590), (38, 22249760), (40, 21137272), (52, 16259440), (64, 13210795), (65, 13007552), (76, 11124880), (80, 10568636), (95, 8899904), (104, 8129720), (130, 6503776), (152, 5562440), (160, 5284318), (190, 4449952), (208, 4064860), (247, 3423040), (260, 3251888), (304, 2781220), (320, 2642159), (361, 2342080), (380, 2224976), (416, 2032430), (494, 1711520), (520, 1625944), (563, 1501760), (608, 1390610), (722, 1171040), (760, 1112488), (832, 1016215), (988, 855760), (1040, 812972), (1126, 750880), (1216, 695305), (1235, 684608), (1444, 585520), (1520, 556244), (1805, 468416), (1976, 427880), (2080, 406486), (2252, 375440), (2470, 342304), (2815, 300352), (2888, 292760), (3040, 278122), (3610, 234208), (3952, 213940), (4160, 203243), (4504, 187720), (4693, 180160), (4940, 171152), (5630, 150176), (5776, 146380), (6080, 139061), (7220, 117104), (7319, 115520), (7904, 106970), (9008, 93860), (9386, 90080), (9880, 85576), (10697, 79040), (11260, 75088), (11552, 73190), (14440, 58552), (14638, 57760), (15808, 53485), (18016, 46930), (18772, 45040), (19760, 42788), (21394, 39520), (22520, 37544), (23104, 36595), (23465, 36032), (28880, 29276)]