66287120

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 159364800

約数和(自身を除く): 93077680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 83, 134, 149, 166, 268, 298, 332, 335, 415, 536, 596, 664, 670, 745, 830, 1072, 1192, 1328, 1340, 1490, 1660, 2384, 2680, 2980, 3320, 5360, 5561, 5960, 6640, 9983, 11122, 11920, 12367, 19966, 22244, 24734, 27805, 39932, 44488, 49468, 49915, 55610, 61835, 79864, 88976, 98936, 99830, 111220, 123670, 159728, 197872, 199660, 222440, 247340, 399320, 444880, 494680, 798640, 828589, 989360, 1657178, 3314356, 4142945, 6628712, 8285890, 13257424, 16571780, 33143560, 66287120]

約数ペア:

[(1, 66287120), (2, 33143560), (4, 16571780), (5, 13257424), (8, 8285890), (10, 6628712), (16, 4142945), (20, 3314356), (40, 1657178), (67, 989360), (80, 828589), (83, 798640), (134, 494680), (149, 444880), (166, 399320), (268, 247340), (298, 222440), (332, 199660), (335, 197872), (415, 159728), (536, 123670), (596, 111220), (664, 99830), (670, 98936), (745, 88976), (830, 79864), (1072, 61835), (1192, 55610), (1328, 49915), (1340, 49468), (1490, 44488), (1660, 39932), (2384, 27805), (2680, 24734), (2980, 22244), (3320, 19966), (5360, 12367), (5561, 11920), (5960, 11122), (6640, 9983)]