316942680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:553

約数の個数: 128

約数和(自身を含む): 980812800

約数和(自身を除く): 663870120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 239, 257, 258, 344, 430, 478, 514, 516, 645, 717, 771, 860, 956, 1028, 1032, 1195, 1285, 1290, 1434, 1542, 1720, 1912, 2056, 2390, 2570, 2580, 2868, 3084, 3585, 3855, 4780, 5140, 5160, 5736, 6168, 7170, 7710, 9560, 10277, 10280, 11051, 14340, 15420, 20554, 22102, 28680, 30831, 30840, 33153, 41108, 44204, 51385, 55255, 61423, 61662, 66306, 82216, 88408, 102770, 110510, 122846, 123324, 132612, 154155, 165765, 184269, 205540, 221020, 245692, 246648, 265224, 307115, 308310, 331530, 368538, 411080, 442040, 491384, 614230, 616620, 663060, 737076, 921345, 1228460, 1233240, 1326120, 1474152, 1842690, 2456920, 2641189, 3685380, 5282378, 7370760, 7923567, 10564756, 13205945, 15847134, 21129512, 26411890, 31694268, 39617835, 52823780, 63388536, 79235670, 105647560, 158471340, 316942680]

約数ペア:

[(1, 316942680), (2, 158471340), (3, 105647560), (4, 79235670), (5, 63388536), (6, 52823780), (8, 39617835), (10, 31694268), (12, 26411890), (15, 21129512), (20, 15847134), (24, 13205945), (30, 10564756), (40, 7923567), (43, 7370760), (60, 5282378), (86, 3685380), (120, 2641189), (129, 2456920), (172, 1842690), (215, 1474152), (239, 1326120), (257, 1233240), (258, 1228460), (344, 921345), (430, 737076), (478, 663060), (514, 616620), (516, 614230), (645, 491384), (717, 442040), (771, 411080), (860, 368538), (956, 331530), (1028, 308310), (1032, 307115), (1195, 265224), (1285, 246648), (1290, 245692), (1434, 221020), (1542, 205540), (1720, 184269), (1912, 165765), (2056, 154155), (2390, 132612), (2570, 123324), (2580, 122846), (2868, 110510), (3084, 102770), (3585, 88408), (3855, 82216), (4780, 66306), (5140, 61662), (5160, 61423), (5736, 55255), (6168, 51385), (7170, 44204), (7710, 41108), (9560, 33153), (10277, 30840), (10280, 30831), (11051, 28680), (14340, 22102), (15420, 20554)]