77943880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{331}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 208203840

約数和(自身を除く): 130259960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 331, 406, 580, 662, 812, 841, 1015, 1160, 1324, 1624, 1655, 1682, 2030, 2317, 2648, 3310, 3364, 4060, 4205, 4634, 5887, 6620, 6728, 8120, 8410, 9268, 9599, 11585, 11774, 13240, 16820, 18536, 19198, 23170, 23548, 29435, 33640, 38396, 46340, 47096, 47995, 58870, 67193, 76792, 92680, 95990, 117740, 134386, 191980, 235480, 268772, 278371, 335965, 383960, 537544, 556742, 671930, 1113484, 1343860, 1391855, 1948597, 2226968, 2687720, 2783710, 3897194, 5567420, 7794388, 9742985, 11134840, 15588776, 19485970, 38971940, 77943880]

約数ペア:

[(1, 77943880), (2, 38971940), (4, 19485970), (5, 15588776), (7, 11134840), (8, 9742985), (10, 7794388), (14, 5567420), (20, 3897194), (28, 2783710), (29, 2687720), (35, 2226968), (40, 1948597), (56, 1391855), (58, 1343860), (70, 1113484), (116, 671930), (140, 556742), (145, 537544), (203, 383960), (232, 335965), (280, 278371), (290, 268772), (331, 235480), (406, 191980), (580, 134386), (662, 117740), (812, 95990), (841, 92680), (1015, 76792), (1160, 67193), (1324, 58870), (1624, 47995), (1655, 47096), (1682, 46340), (2030, 38396), (2317, 33640), (2648, 29435), (3310, 23548), (3364, 23170), (4060, 19198), (4205, 18536), (4634, 16820), (5887, 13240), (6620, 11774), (6728, 11585), (8120, 9599), (8410, 9268)]