66756880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1187}}^1$

素因数の和:1256

約数の個数: 80

約数和(自身を含む): 167935680

約数和(自身を除く): 101178800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1187, 1406, 1480, 1520, 2374, 2812, 2960, 3515, 4748, 5624, 5935, 7030, 9496, 11248, 11870, 14060, 18992, 22553, 23740, 28120, 43919, 45106, 47480, 56240, 87838, 90212, 94960, 112765, 175676, 180424, 219595, 225530, 351352, 360848, 439190, 451060, 702704, 834461, 878380, 902120, 1668922, 1756760, 1804240, 3337844, 3513520, 4172305, 6675688, 8344610, 13351376, 16689220, 33378440, 66756880]

約数ペア:

[(1, 66756880), (2, 33378440), (4, 16689220), (5, 13351376), (8, 8344610), (10, 6675688), (16, 4172305), (19, 3513520), (20, 3337844), (37, 1804240), (38, 1756760), (40, 1668922), (74, 902120), (76, 878380), (80, 834461), (95, 702704), (148, 451060), (152, 439190), (185, 360848), (190, 351352), (296, 225530), (304, 219595), (370, 180424), (380, 175676), (592, 112765), (703, 94960), (740, 90212), (760, 87838), (1187, 56240), (1406, 47480), (1480, 45106), (1520, 43919), (2374, 28120), (2812, 23740), (2960, 22553), (3515, 18992), (4748, 14060), (5624, 11870), (5935, 11248), (7030, 9496)]