90347640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:357

約数の個数: 128

約数和(自身を含む): 283392000

約数和(自身を除く): 193044360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 149, 155, 163, 186, 248, 298, 310, 326, 372, 447, 465, 489, 596, 620, 652, 744, 745, 815, 894, 930, 978, 1192, 1240, 1304, 1490, 1630, 1788, 1860, 1956, 2235, 2445, 2980, 3260, 3576, 3720, 3912, 4470, 4619, 4890, 5053, 5960, 6520, 8940, 9238, 9780, 10106, 13857, 15159, 17880, 18476, 19560, 20212, 23095, 24287, 25265, 27714, 30318, 36952, 40424, 46190, 48574, 50530, 55428, 60636, 69285, 72861, 75795, 92380, 97148, 101060, 110856, 121272, 121435, 138570, 145722, 151590, 184760, 194296, 202120, 242870, 277140, 291444, 303180, 364305, 485740, 554280, 582888, 606360, 728610, 752897, 971480, 1457220, 1505794, 2258691, 2914440, 3011588, 3764485, 4517382, 6023176, 7528970, 9034764, 11293455, 15057940, 18069528, 22586910, 30115880, 45173820, 90347640]

約数ペア:

[(1, 90347640), (2, 45173820), (3, 30115880), (4, 22586910), (5, 18069528), (6, 15057940), (8, 11293455), (10, 9034764), (12, 7528970), (15, 6023176), (20, 4517382), (24, 3764485), (30, 3011588), (31, 2914440), (40, 2258691), (60, 1505794), (62, 1457220), (93, 971480), (120, 752897), (124, 728610), (149, 606360), (155, 582888), (163, 554280), (186, 485740), (248, 364305), (298, 303180), (310, 291444), (326, 277140), (372, 242870), (447, 202120), (465, 194296), (489, 184760), (596, 151590), (620, 145722), (652, 138570), (744, 121435), (745, 121272), (815, 110856), (894, 101060), (930, 97148), (978, 92380), (1192, 75795), (1240, 72861), (1304, 69285), (1490, 60636), (1630, 55428), (1788, 50530), (1860, 48574), (1956, 46190), (2235, 40424), (2445, 36952), (2980, 30318), (3260, 27714), (3576, 25265), (3720, 24287), (3912, 23095), (4470, 20212), (4619, 19560), (4890, 18476), (5053, 17880), (5960, 15159), (6520, 13857), (8940, 10106), (9238, 9780)]