215065320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{13681}}^1$

素因数の和:13826

約数の個数: 64

約数和(自身を含む): 650168640

約数和(自身を除く): 435103320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5240, 7860, 13681, 15720, 27362, 41043, 54724, 68405, 82086, 109448, 136810, 164172, 205215, 273620, 328344, 410430, 547240, 820860, 1641720, 1792211, 3584422, 5376633, 7168844, 8961055, 10753266, 14337688, 17922110, 21506532, 26883165, 35844220, 43013064, 53766330, 71688440, 107532660, 215065320]

約数ペア:

[(1, 215065320), (2, 107532660), (3, 71688440), (4, 53766330), (5, 43013064), (6, 35844220), (8, 26883165), (10, 21506532), (12, 17922110), (15, 14337688), (20, 10753266), (24, 8961055), (30, 7168844), (40, 5376633), (60, 3584422), (120, 1792211), (131, 1641720), (262, 820860), (393, 547240), (524, 410430), (655, 328344), (786, 273620), (1048, 205215), (1310, 164172), (1572, 136810), (1965, 109448), (2620, 82086), (3144, 68405), (3930, 54724), (5240, 41043), (7860, 27362), (13681, 15720)]