306251440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15131}}^1$

素因数の和:15178

約数の個数: 80

約数和(自身を含む): 810590976

約数和(自身を除く): 504339536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 4048, 5060, 10120, 15131, 20240, 30262, 60524, 75655, 121048, 151310, 166441, 242096, 302620, 332882, 348013, 605240, 665764, 696026, 832205, 1210480, 1331528, 1392052, 1664410, 1740065, 2663056, 2784104, 3328820, 3480130, 3828143, 5568208, 6657640, 6960260, 7656286, 13315280, 13920520, 15312572, 19140715, 27841040, 30625144, 38281430, 61250288, 76562860, 153125720, 306251440]

約数ペア:

[(1, 306251440), (2, 153125720), (4, 76562860), (5, 61250288), (8, 38281430), (10, 30625144), (11, 27841040), (16, 19140715), (20, 15312572), (22, 13920520), (23, 13315280), (40, 7656286), (44, 6960260), (46, 6657640), (55, 5568208), (80, 3828143), (88, 3480130), (92, 3328820), (110, 2784104), (115, 2663056), (176, 1740065), (184, 1664410), (220, 1392052), (230, 1331528), (253, 1210480), (368, 832205), (440, 696026), (460, 665764), (506, 605240), (880, 348013), (920, 332882), (1012, 302620), (1265, 242096), (1840, 166441), (2024, 151310), (2530, 121048), (4048, 75655), (5060, 60524), (10120, 30262), (15131, 20240)]