84817520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1361}}^1$

素因数の和:1434

約数の個数: 80

約数和(自身を含む): 212798880

約数和(自身を除く): 127981360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 820, 1361, 1520, 1558, 1640, 2722, 3116, 3280, 3895, 5444, 6232, 6805, 7790, 10888, 12464, 13610, 15580, 21776, 25859, 27220, 31160, 51718, 54440, 55801, 62320, 103436, 108880, 111602, 129295, 206872, 223204, 258590, 279005, 413744, 446408, 517180, 558010, 892816, 1034360, 1060219, 1116020, 2068720, 2120438, 2232040, 4240876, 4464080, 5301095, 8481752, 10602190, 16963504, 21204380, 42408760, 84817520]

約数ペア:

[(1, 84817520), (2, 42408760), (4, 21204380), (5, 16963504), (8, 10602190), (10, 8481752), (16, 5301095), (19, 4464080), (20, 4240876), (38, 2232040), (40, 2120438), (41, 2068720), (76, 1116020), (80, 1060219), (82, 1034360), (95, 892816), (152, 558010), (164, 517180), (190, 446408), (205, 413744), (304, 279005), (328, 258590), (380, 223204), (410, 206872), (656, 129295), (760, 111602), (779, 108880), (820, 103436), (1361, 62320), (1520, 55801), (1558, 54440), (1640, 51718), (2722, 31160), (3116, 27220), (3280, 25859), (3895, 21776), (5444, 15580), (6232, 13610), (6805, 12464), (7790, 10888)]