83742880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:223

約数の個数: 144

約数和(自身を含む): 226890720

約数和(自身を除く): 143147840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 163, 169, 190, 208, 247, 260, 304, 326, 338, 380, 416, 494, 520, 608, 652, 676, 760, 815, 845, 988, 1040, 1235, 1304, 1352, 1520, 1630, 1690, 1976, 2080, 2119, 2470, 2608, 2704, 3040, 3097, 3211, 3260, 3380, 3952, 4238, 4940, 5216, 5408, 6194, 6422, 6520, 6760, 7904, 8476, 9880, 10595, 12388, 12844, 13040, 13520, 15485, 16055, 16952, 19760, 21190, 24776, 25688, 26080, 27040, 27547, 30970, 32110, 33904, 39520, 40261, 42380, 49552, 51376, 55094, 61940, 64220, 67808, 80522, 84760, 99104, 102752, 110188, 123880, 128440, 137735, 161044, 169520, 201305, 220376, 247760, 256880, 275470, 322088, 339040, 402610, 440752, 495520, 513760, 523393, 550940, 644176, 805220, 881504, 1046786, 1101880, 1288352, 1610440, 2093572, 2203760, 2616965, 3220880, 4187144, 4407520, 5233930, 6441760, 8374288, 10467860, 16748576, 20935720, 41871440, 83742880]

約数ペア:

[(1, 83742880), (2, 41871440), (4, 20935720), (5, 16748576), (8, 10467860), (10, 8374288), (13, 6441760), (16, 5233930), (19, 4407520), (20, 4187144), (26, 3220880), (32, 2616965), (38, 2203760), (40, 2093572), (52, 1610440), (65, 1288352), (76, 1101880), (80, 1046786), (95, 881504), (104, 805220), (130, 644176), (152, 550940), (160, 523393), (163, 513760), (169, 495520), (190, 440752), (208, 402610), (247, 339040), (260, 322088), (304, 275470), (326, 256880), (338, 247760), (380, 220376), (416, 201305), (494, 169520), (520, 161044), (608, 137735), (652, 128440), (676, 123880), (760, 110188), (815, 102752), (845, 99104), (988, 84760), (1040, 80522), (1235, 67808), (1304, 64220), (1352, 61940), (1520, 55094), (1630, 51376), (1690, 49552), (1976, 42380), (2080, 40261), (2119, 39520), (2470, 33904), (2608, 32110), (2704, 30970), (3040, 27547), (3097, 27040), (3211, 26080), (3260, 25688), (3380, 24776), (3952, 21190), (4238, 19760), (4940, 16952), (5216, 16055), (5408, 15485), (6194, 13520), (6422, 13040), (6520, 12844), (6760, 12388), (7904, 10595), (8476, 9880)]