28565280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:343

約数の個数: 144

約数和(自身を含む): 99066240

約数和(自身を除く): 70500960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 83, 90, 96, 120, 144, 160, 166, 180, 239, 240, 249, 288, 332, 360, 415, 478, 480, 498, 664, 717, 720, 747, 830, 956, 996, 1195, 1245, 1328, 1434, 1440, 1494, 1660, 1912, 1992, 2151, 2390, 2490, 2656, 2868, 2988, 3320, 3585, 3735, 3824, 3984, 4302, 4780, 4980, 5736, 5976, 6640, 7170, 7470, 7648, 7968, 8604, 9560, 9960, 10755, 11472, 11952, 13280, 14340, 14940, 17208, 19120, 19837, 19920, 21510, 22944, 23904, 28680, 29880, 34416, 38240, 39674, 39840, 43020, 57360, 59511, 59760, 68832, 79348, 86040, 99185, 114720, 119022, 119520, 158696, 172080, 178533, 198370, 238044, 297555, 317392, 344160, 357066, 396740, 476088, 595110, 634784, 714132, 793480, 892665, 952176, 1190220, 1428264, 1586960, 1785330, 1904352, 2380440, 2856528, 3173920, 3570660, 4760880, 5713056, 7141320, 9521760, 14282640, 28565280]

約数ペア:

[(1, 28565280), (2, 14282640), (3, 9521760), (4, 7141320), (5, 5713056), (6, 4760880), (8, 3570660), (9, 3173920), (10, 2856528), (12, 2380440), (15, 1904352), (16, 1785330), (18, 1586960), (20, 1428264), (24, 1190220), (30, 952176), (32, 892665), (36, 793480), (40, 714132), (45, 634784), (48, 595110), (60, 476088), (72, 396740), (80, 357066), (83, 344160), (90, 317392), (96, 297555), (120, 238044), (144, 198370), (160, 178533), (166, 172080), (180, 158696), (239, 119520), (240, 119022), (249, 114720), (288, 99185), (332, 86040), (360, 79348), (415, 68832), (478, 59760), (480, 59511), (498, 57360), (664, 43020), (717, 39840), (720, 39674), (747, 38240), (830, 34416), (956, 29880), (996, 28680), (1195, 23904), (1245, 22944), (1328, 21510), (1434, 19920), (1440, 19837), (1494, 19120), (1660, 17208), (1912, 14940), (1992, 14340), (2151, 13280), (2390, 11952), (2490, 11472), (2656, 10755), (2868, 9960), (2988, 9560), (3320, 8604), (3585, 7968), (3735, 7648), (3824, 7470), (3984, 7170), (4302, 6640), (4780, 5976), (4980, 5736)]