231281520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:439

約数の個数: 160

約数和(自身を含む): 746118912

約数和(自身を除く): 514837392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 73, 80, 86, 120, 129, 146, 172, 215, 219, 240, 258, 292, 307, 344, 365, 430, 438, 516, 584, 614, 645, 688, 730, 860, 876, 921, 1032, 1095, 1168, 1228, 1290, 1460, 1535, 1720, 1752, 1842, 2064, 2190, 2456, 2580, 2920, 3070, 3139, 3440, 3504, 3684, 4380, 4605, 4912, 5160, 5840, 6140, 6278, 7368, 8760, 9210, 9417, 10320, 12280, 12556, 13201, 14736, 15695, 17520, 18420, 18834, 22411, 24560, 25112, 26402, 31390, 36840, 37668, 39603, 44822, 47085, 50224, 52804, 62780, 66005, 67233, 73680, 75336, 79206, 89644, 94170, 105608, 112055, 125560, 132010, 134466, 150672, 158412, 179288, 188340, 198015, 211216, 224110, 251120, 264020, 268932, 316824, 336165, 358576, 376680, 396030, 448220, 528040, 537864, 633648, 672330, 753360, 792060, 896440, 963673, 1056080, 1075728, 1344660, 1584120, 1792880, 1927346, 2689320, 2891019, 3168240, 3854692, 4818365, 5378640, 5782038, 7709384, 9636730, 11564076, 14455095, 15418768, 19273460, 23128152, 28910190, 38546920, 46256304, 57820380, 77093840, 115640760, 231281520]

約数ペア:

[(1, 231281520), (2, 115640760), (3, 77093840), (4, 57820380), (5, 46256304), (6, 38546920), (8, 28910190), (10, 23128152), (12, 19273460), (15, 15418768), (16, 14455095), (20, 11564076), (24, 9636730), (30, 7709384), (40, 5782038), (43, 5378640), (48, 4818365), (60, 3854692), (73, 3168240), (80, 2891019), (86, 2689320), (120, 1927346), (129, 1792880), (146, 1584120), (172, 1344660), (215, 1075728), (219, 1056080), (240, 963673), (258, 896440), (292, 792060), (307, 753360), (344, 672330), (365, 633648), (430, 537864), (438, 528040), (516, 448220), (584, 396030), (614, 376680), (645, 358576), (688, 336165), (730, 316824), (860, 268932), (876, 264020), (921, 251120), (1032, 224110), (1095, 211216), (1168, 198015), (1228, 188340), (1290, 179288), (1460, 158412), (1535, 150672), (1720, 134466), (1752, 132010), (1842, 125560), (2064, 112055), (2190, 105608), (2456, 94170), (2580, 89644), (2920, 79206), (3070, 75336), (3139, 73680), (3440, 67233), (3504, 66005), (3684, 62780), (4380, 52804), (4605, 50224), (4912, 47085), (5160, 44822), (5840, 39603), (6140, 37668), (6278, 36840), (7368, 31390), (8760, 26402), (9210, 25112), (9417, 24560), (10320, 22411), (12280, 18834), (12556, 18420), (13201, 17520), (14736, 15695)]