87878240

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:352

約数の個数: 96

約数和(自身を含む): 217346976

約数和(自身を除く): 129468736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 53, 80, 86, 106, 160, 172, 212, 215, 241, 265, 344, 424, 430, 482, 530, 688, 848, 860, 964, 1060, 1205, 1376, 1696, 1720, 1928, 2120, 2279, 2410, 3440, 3856, 4240, 4558, 4820, 6880, 7712, 8480, 9116, 9640, 10363, 11395, 12773, 18232, 19280, 20726, 22790, 25546, 36464, 38560, 41452, 45580, 51092, 51815, 63865, 72928, 82904, 91160, 102184, 103630, 127730, 165808, 182320, 204368, 207260, 255460, 331616, 364640, 408736, 414520, 510920, 549239, 829040, 1021840, 1098478, 1658080, 2043680, 2196956, 2746195, 4393912, 5492390, 8787824, 10984780, 17575648, 21969560, 43939120, 87878240]

約数ペア:

[(1, 87878240), (2, 43939120), (4, 21969560), (5, 17575648), (8, 10984780), (10, 8787824), (16, 5492390), (20, 4393912), (32, 2746195), (40, 2196956), (43, 2043680), (53, 1658080), (80, 1098478), (86, 1021840), (106, 829040), (160, 549239), (172, 510920), (212, 414520), (215, 408736), (241, 364640), (265, 331616), (344, 255460), (424, 207260), (430, 204368), (482, 182320), (530, 165808), (688, 127730), (848, 103630), (860, 102184), (964, 91160), (1060, 82904), (1205, 72928), (1376, 63865), (1696, 51815), (1720, 51092), (1928, 45580), (2120, 41452), (2279, 38560), (2410, 36464), (3440, 25546), (3856, 22790), (4240, 20726), (4558, 19280), (4820, 18232), (6880, 12773), (7712, 11395), (8480, 10363), (9116, 9640)]