1990847280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{267587}}^1$

素因数の和:267634

約数の個数: 80

約数和(自身を含む): 6370735104

約数和(自身を除く): 4379887824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 267587, 535174, 802761, 1070348, 1337935, 1605522, 2140696, 2675870, 3211044, 4013805, 4281392, 5351740, 6422088, 8027610, 8295197, 10703480, 12844176, 16055220, 16590394, 21406960, 24885591, 32110440, 33180788, 41475985, 49771182, 64220880, 66361576, 82951970, 99542364, 124427955, 132723152, 165903940, 199084728, 248855910, 331807880, 398169456, 497711820, 663615760, 995423640, 1990847280]

約数ペア:

[(1, 1990847280), (2, 995423640), (3, 663615760), (4, 497711820), (5, 398169456), (6, 331807880), (8, 248855910), (10, 199084728), (12, 165903940), (15, 132723152), (16, 124427955), (20, 99542364), (24, 82951970), (30, 66361576), (31, 64220880), (40, 49771182), (48, 41475985), (60, 33180788), (62, 32110440), (80, 24885591), (93, 21406960), (120, 16590394), (124, 16055220), (155, 12844176), (186, 10703480), (240, 8295197), (248, 8027610), (310, 6422088), (372, 5351740), (465, 4281392), (496, 4013805), (620, 3211044), (744, 2675870), (930, 2140696), (1240, 1605522), (1488, 1337935), (1860, 1070348), (2480, 802761), (3720, 535174), (7440, 267587)]