285498240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{617}}^1$

素因数の和:880

約数の個数: 128

約数和(自身を含む): 915282720

約数和(自身を除く): 629784480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 241, 320, 384, 480, 482, 617, 640, 723, 960, 964, 1205, 1234, 1446, 1851, 1920, 1928, 2410, 2468, 2892, 3085, 3615, 3702, 3856, 4820, 4936, 5784, 6170, 7230, 7404, 7712, 9255, 9640, 9872, 11568, 12340, 14460, 14808, 15424, 18510, 19280, 19744, 23136, 24680, 28920, 29616, 30848, 37020, 38560, 39488, 46272, 49360, 57840, 59232, 74040, 77120, 78976, 92544, 98720, 115680, 118464, 148080, 148697, 154240, 197440, 231360, 236928, 296160, 297394, 394880, 446091, 462720, 592320, 594788, 743485, 892182, 1184640, 1189576, 1486970, 1784364, 2230455, 2379152, 2973940, 3568728, 4460910, 4758304, 5947880, 7137456, 8921820, 9516608, 11895760, 14274912, 17843640, 19033216, 23791520, 28549824, 35687280, 47583040, 57099648, 71374560, 95166080, 142749120, 285498240]

約数ペア:

[(1, 285498240), (2, 142749120), (3, 95166080), (4, 71374560), (5, 57099648), (6, 47583040), (8, 35687280), (10, 28549824), (12, 23791520), (15, 19033216), (16, 17843640), (20, 14274912), (24, 11895760), (30, 9516608), (32, 8921820), (40, 7137456), (48, 5947880), (60, 4758304), (64, 4460910), (80, 3568728), (96, 2973940), (120, 2379152), (128, 2230455), (160, 1784364), (192, 1486970), (240, 1189576), (241, 1184640), (320, 892182), (384, 743485), (480, 594788), (482, 592320), (617, 462720), (640, 446091), (723, 394880), (960, 297394), (964, 296160), (1205, 236928), (1234, 231360), (1446, 197440), (1851, 154240), (1920, 148697), (1928, 148080), (2410, 118464), (2468, 115680), (2892, 98720), (3085, 92544), (3615, 78976), (3702, 77120), (3856, 74040), (4820, 59232), (4936, 57840), (5784, 49360), (6170, 46272), (7230, 39488), (7404, 38560), (7712, 37020), (9255, 30848), (9640, 29616), (9872, 28920), (11568, 24680), (12340, 23136), (14460, 19744), (14808, 19280), (15424, 18510)]