260070160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:333

約数の個数: 160

約数和(自身を含む): 726810624

約数和(自身を除く): 466740464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 71, 80, 112, 124, 140, 142, 155, 211, 217, 248, 280, 284, 310, 355, 422, 434, 496, 497, 560, 568, 620, 710, 844, 868, 994, 1055, 1085, 1136, 1240, 1420, 1477, 1688, 1736, 1988, 2110, 2170, 2201, 2480, 2485, 2840, 2954, 3376, 3472, 3976, 4220, 4340, 4402, 4970, 5680, 5908, 6541, 7385, 7952, 8440, 8680, 8804, 9940, 11005, 11816, 13082, 14770, 14981, 15407, 16880, 17360, 17608, 19880, 22010, 23632, 26164, 29540, 29962, 30814, 32705, 35216, 39760, 44020, 45787, 52328, 59080, 59924, 61628, 65410, 74905, 77035, 88040, 91574, 104656, 104867, 118160, 119848, 123256, 130820, 149810, 154070, 176080, 183148, 209734, 228935, 239696, 246512, 261640, 299620, 308140, 366296, 419468, 457870, 464411, 523280, 524335, 599240, 616280, 732592, 838936, 915740, 928822, 1048670, 1198480, 1232560, 1677872, 1831480, 1857644, 2097340, 2322055, 3250877, 3662960, 3715288, 4194680, 4644110, 6501754, 7430576, 8389360, 9288220, 13003508, 16254385, 18576440, 26007016, 32508770, 37152880, 52014032, 65017540, 130035080, 260070160]

約数ペア:

[(1, 260070160), (2, 130035080), (4, 65017540), (5, 52014032), (7, 37152880), (8, 32508770), (10, 26007016), (14, 18576440), (16, 16254385), (20, 13003508), (28, 9288220), (31, 8389360), (35, 7430576), (40, 6501754), (56, 4644110), (62, 4194680), (70, 3715288), (71, 3662960), (80, 3250877), (112, 2322055), (124, 2097340), (140, 1857644), (142, 1831480), (155, 1677872), (211, 1232560), (217, 1198480), (248, 1048670), (280, 928822), (284, 915740), (310, 838936), (355, 732592), (422, 616280), (434, 599240), (496, 524335), (497, 523280), (560, 464411), (568, 457870), (620, 419468), (710, 366296), (844, 308140), (868, 299620), (994, 261640), (1055, 246512), (1085, 239696), (1136, 228935), (1240, 209734), (1420, 183148), (1477, 176080), (1688, 154070), (1736, 149810), (1988, 130820), (2110, 123256), (2170, 119848), (2201, 118160), (2480, 104867), (2485, 104656), (2840, 91574), (2954, 88040), (3376, 77035), (3472, 74905), (3976, 65410), (4220, 61628), (4340, 59924), (4402, 59080), (4970, 52328), (5680, 45787), (5908, 44020), (6541, 39760), (7385, 35216), (7952, 32705), (8440, 30814), (8680, 29962), (8804, 29540), (9940, 26164), (11005, 23632), (11816, 22010), (13082, 19880), (14770, 17608), (14981, 17360), (15407, 16880)]