79311320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 209952000

約数和(自身を除く): 130640680

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 53, 55, 76, 88, 95, 106, 110, 152, 179, 190, 209, 212, 220, 265, 358, 380, 418, 424, 440, 530, 583, 716, 760, 836, 895, 1007, 1045, 1060, 1166, 1432, 1672, 1790, 1969, 2014, 2090, 2120, 2332, 2915, 3401, 3580, 3938, 4028, 4180, 4664, 5035, 5830, 6802, 7160, 7876, 8056, 8360, 9487, 9845, 10070, 11077, 11660, 13604, 15752, 17005, 18974, 19690, 20140, 22154, 23320, 27208, 34010, 37411, 37948, 39380, 40280, 44308, 47435, 55385, 68020, 74822, 75896, 78760, 88616, 94870, 104357, 110770, 136040, 149644, 180253, 187055, 189740, 208714, 221540, 299288, 360506, 374110, 379480, 417428, 443080, 521785, 721012, 748220, 834856, 901265, 1043570, 1442024, 1496440, 1802530, 1982783, 2087140, 3605060, 3965566, 4174280, 7210120, 7931132, 9913915, 15862264, 19827830, 39655660, 79311320]

約数ペア:

[(1, 79311320), (2, 39655660), (4, 19827830), (5, 15862264), (8, 9913915), (10, 7931132), (11, 7210120), (19, 4174280), (20, 3965566), (22, 3605060), (38, 2087140), (40, 1982783), (44, 1802530), (53, 1496440), (55, 1442024), (76, 1043570), (88, 901265), (95, 834856), (106, 748220), (110, 721012), (152, 521785), (179, 443080), (190, 417428), (209, 379480), (212, 374110), (220, 360506), (265, 299288), (358, 221540), (380, 208714), (418, 189740), (424, 187055), (440, 180253), (530, 149644), (583, 136040), (716, 110770), (760, 104357), (836, 94870), (895, 88616), (1007, 78760), (1045, 75896), (1060, 74822), (1166, 68020), (1432, 55385), (1672, 47435), (1790, 44308), (1969, 40280), (2014, 39380), (2090, 37948), (2120, 37411), (2332, 34010), (2915, 27208), (3401, 23320), (3580, 22154), (3938, 20140), (4028, 19690), (4180, 18974), (4664, 17005), (5035, 15752), (5830, 13604), (6802, 11660), (7160, 11077), (7876, 10070), (8056, 9845), (8360, 9487)]