159872440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{263}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 447068160

約数和(自身を除く): 287195720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 167, 182, 260, 263, 280, 334, 364, 455, 520, 526, 668, 728, 835, 910, 1052, 1169, 1315, 1336, 1670, 1820, 1841, 2104, 2171, 2338, 2630, 3340, 3419, 3640, 3682, 4342, 4676, 5260, 5845, 6680, 6838, 7364, 8684, 9205, 9352, 10520, 10855, 11690, 13676, 14728, 15197, 17095, 17368, 18410, 21710, 23380, 23933, 27352, 30394, 34190, 36820, 43420, 43921, 46760, 47866, 60788, 68380, 73640, 75985, 86840, 87842, 95732, 119665, 121576, 136760, 151970, 175684, 191464, 219605, 239330, 303940, 307447, 351368, 439210, 478660, 570973, 607880, 614894, 878420, 957320, 1141946, 1229788, 1537235, 1756840, 2283892, 2459576, 2854865, 3074470, 3996811, 4567784, 5709730, 6148940, 7993622, 11419460, 12297880, 15987244, 19984055, 22838920, 31974488, 39968110, 79936220, 159872440]

約数ペア:

[(1, 159872440), (2, 79936220), (4, 39968110), (5, 31974488), (7, 22838920), (8, 19984055), (10, 15987244), (13, 12297880), (14, 11419460), (20, 7993622), (26, 6148940), (28, 5709730), (35, 4567784), (40, 3996811), (52, 3074470), (56, 2854865), (65, 2459576), (70, 2283892), (91, 1756840), (104, 1537235), (130, 1229788), (140, 1141946), (167, 957320), (182, 878420), (260, 614894), (263, 607880), (280, 570973), (334, 478660), (364, 439210), (455, 351368), (520, 307447), (526, 303940), (668, 239330), (728, 219605), (835, 191464), (910, 175684), (1052, 151970), (1169, 136760), (1315, 121576), (1336, 119665), (1670, 95732), (1820, 87842), (1841, 86840), (2104, 75985), (2171, 73640), (2338, 68380), (2630, 60788), (3340, 47866), (3419, 46760), (3640, 43921), (3682, 43420), (4342, 36820), (4676, 34190), (5260, 30394), (5845, 27352), (6680, 23933), (6838, 23380), (7364, 21710), (8684, 18410), (9205, 17368), (9352, 17095), (10520, 15197), (10855, 14728), (11690, 13676)]