66811920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{39769}}^1$

素因数の和:39792

約数の個数: 80

約数和(自身を含む): 236711040

約数和(自身を除く): 169899120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 39769, 79538, 119307, 159076, 198845, 238614, 278383, 318152, 397690, 477228, 556766, 596535, 636304, 795380, 835149, 954456, 1113532, 1193070, 1391915, 1590760, 1670298, 1908912, 2227064, 2386140, 2783830, 3181520, 3340596, 4175745, 4454128, 4772280, 5567660, 6681192, 8351490, 9544560, 11135320, 13362384, 16702980, 22270640, 33405960, 66811920]

約数ペア:

[(1, 66811920), (2, 33405960), (3, 22270640), (4, 16702980), (5, 13362384), (6, 11135320), (7, 9544560), (8, 8351490), (10, 6681192), (12, 5567660), (14, 4772280), (15, 4454128), (16, 4175745), (20, 3340596), (21, 3181520), (24, 2783830), (28, 2386140), (30, 2227064), (35, 1908912), (40, 1670298), (42, 1590760), (48, 1391915), (56, 1193070), (60, 1113532), (70, 954456), (80, 835149), (84, 795380), (105, 636304), (112, 596535), (120, 556766), (140, 477228), (168, 397690), (210, 318152), (240, 278383), (280, 238614), (336, 198845), (420, 159076), (560, 119307), (840, 79538), (1680, 39769)]