720143144

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 1658880000

約数和(自身を除く): 938736856

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 59, 62, 79, 89, 118, 124, 158, 178, 217, 236, 248, 316, 356, 413, 434, 472, 553, 623, 632, 712, 826, 868, 1106, 1246, 1652, 1736, 1829, 2212, 2449, 2492, 2759, 3304, 3658, 4424, 4661, 4898, 4984, 5251, 5518, 7031, 7316, 9322, 9796, 10502, 11036, 12803, 14062, 14632, 17143, 18644, 19313, 19592, 21004, 22072, 25606, 28124, 32627, 34286, 36757, 37288, 38626, 42008, 49217, 51212, 56248, 65254, 68572, 73514, 77252, 98434, 102424, 130508, 137144, 144491, 147028, 154504, 162781, 196868, 217961, 261016, 288982, 294056, 325562, 393736, 414829, 435922, 577964, 651124, 829658, 871844, 1011437, 1139467, 1155928, 1302248, 1525727, 1659316, 1743688, 2022874, 2278934, 2903803, 3051454, 3318632, 4045748, 4557868, 5807606, 6102908, 8091496, 9115736, 11615212, 12205816, 12859699, 23230424, 25719398, 51438796, 90017893, 102877592, 180035786, 360071572, 720143144]

約数ペア:

[(1, 720143144), (2, 360071572), (4, 180035786), (7, 102877592), (8, 90017893), (14, 51438796), (28, 25719398), (31, 23230424), (56, 12859699), (59, 12205816), (62, 11615212), (79, 9115736), (89, 8091496), (118, 6102908), (124, 5807606), (158, 4557868), (178, 4045748), (217, 3318632), (236, 3051454), (248, 2903803), (316, 2278934), (356, 2022874), (413, 1743688), (434, 1659316), (472, 1525727), (553, 1302248), (623, 1155928), (632, 1139467), (712, 1011437), (826, 871844), (868, 829658), (1106, 651124), (1246, 577964), (1652, 435922), (1736, 414829), (1829, 393736), (2212, 325562), (2449, 294056), (2492, 288982), (2759, 261016), (3304, 217961), (3658, 196868), (4424, 162781), (4661, 154504), (4898, 147028), (4984, 144491), (5251, 137144), (5518, 130508), (7031, 102424), (7316, 98434), (9322, 77252), (9796, 73514), (10502, 68572), (11036, 65254), (12803, 56248), (14062, 51212), (14632, 49217), (17143, 42008), (18644, 38626), (19313, 37288), (19592, 36757), (21004, 34286), (22072, 32627), (25606, 28124)]