81332280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1439}}^1$

素因数の和:1613

約数の個数: 96

約数和(自身を含む): 266198400

約数和(自身を除く): 184866120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 157, 180, 314, 360, 471, 628, 785, 942, 1256, 1413, 1439, 1570, 1884, 2355, 2826, 2878, 3140, 3768, 4317, 4710, 5652, 5756, 6280, 7065, 7195, 8634, 9420, 11304, 11512, 12951, 14130, 14390, 17268, 18840, 21585, 25902, 28260, 28780, 34536, 43170, 51804, 56520, 57560, 64755, 86340, 103608, 129510, 172680, 225923, 259020, 451846, 518040, 677769, 903692, 1129615, 1355538, 1807384, 2033307, 2259230, 2711076, 3388845, 4066614, 4518460, 5422152, 6777690, 8133228, 9036920, 10166535, 13555380, 16266456, 20333070, 27110760, 40666140, 81332280]

約数ペア:

[(1, 81332280), (2, 40666140), (3, 27110760), (4, 20333070), (5, 16266456), (6, 13555380), (8, 10166535), (9, 9036920), (10, 8133228), (12, 6777690), (15, 5422152), (18, 4518460), (20, 4066614), (24, 3388845), (30, 2711076), (36, 2259230), (40, 2033307), (45, 1807384), (60, 1355538), (72, 1129615), (90, 903692), (120, 677769), (157, 518040), (180, 451846), (314, 259020), (360, 225923), (471, 172680), (628, 129510), (785, 103608), (942, 86340), (1256, 64755), (1413, 57560), (1439, 56520), (1570, 51804), (1884, 43170), (2355, 34536), (2826, 28780), (2878, 28260), (3140, 25902), (3768, 21585), (4317, 18840), (4710, 17268), (5652, 14390), (5756, 14130), (6280, 12951), (7065, 11512), (7195, 11304), (8634, 9420)]