31372880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{463}}^1$

素因数の和:505

約数の個数: 120

約数和(自身を含む): 91827456

約数和(自身を除く): 60454576

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 385, 440, 463, 484, 560, 605, 616, 770, 847, 880, 926, 968, 1210, 1232, 1540, 1694, 1852, 1936, 2315, 2420, 3080, 3241, 3388, 3704, 4235, 4630, 4840, 5093, 6160, 6482, 6776, 7408, 8470, 9260, 9680, 10186, 12964, 13552, 16205, 16940, 18520, 20372, 25465, 25928, 32410, 33880, 35651, 37040, 40744, 50930, 51856, 56023, 64820, 67760, 71302, 81488, 101860, 112046, 129640, 142604, 178255, 203720, 224092, 259280, 280115, 285208, 356510, 392161, 407440, 448184, 560230, 570416, 713020, 784322, 896368, 1120460, 1426040, 1568644, 1960805, 2240920, 2852080, 3137288, 3921610, 4481840, 6274576, 7843220, 15686440, 31372880]

約数ペア:

[(1, 31372880), (2, 15686440), (4, 7843220), (5, 6274576), (7, 4481840), (8, 3921610), (10, 3137288), (11, 2852080), (14, 2240920), (16, 1960805), (20, 1568644), (22, 1426040), (28, 1120460), (35, 896368), (40, 784322), (44, 713020), (55, 570416), (56, 560230), (70, 448184), (77, 407440), (80, 392161), (88, 356510), (110, 285208), (112, 280115), (121, 259280), (140, 224092), (154, 203720), (176, 178255), (220, 142604), (242, 129640), (280, 112046), (308, 101860), (385, 81488), (440, 71302), (463, 67760), (484, 64820), (560, 56023), (605, 51856), (616, 50930), (770, 40744), (847, 37040), (880, 35651), (926, 33880), (968, 32410), (1210, 25928), (1232, 25465), (1540, 20372), (1694, 18520), (1852, 16940), (1936, 16205), (2315, 13552), (2420, 12964), (3080, 10186), (3241, 9680), (3388, 9260), (3704, 8470), (4235, 7408), (4630, 6776), (4840, 6482), (5093, 6160)]