90012720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:563

約数の個数: 160

約数和(自身を含む): 322122240

約数和(自身を除く): 232109520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 131, 140, 168, 210, 240, 262, 280, 336, 393, 409, 420, 524, 560, 655, 786, 818, 840, 917, 1048, 1227, 1310, 1572, 1636, 1680, 1834, 1965, 2045, 2096, 2454, 2620, 2751, 2863, 3144, 3272, 3668, 3930, 4090, 4585, 4908, 5240, 5502, 5726, 6135, 6288, 6544, 7336, 7860, 8180, 8589, 9170, 9816, 10480, 11004, 11452, 12270, 13755, 14315, 14672, 15720, 16360, 17178, 18340, 19632, 22008, 22904, 24540, 27510, 28630, 31440, 32720, 34356, 36680, 42945, 44016, 45808, 49080, 53579, 55020, 57260, 68712, 73360, 85890, 98160, 107158, 110040, 114520, 137424, 160737, 171780, 214316, 220080, 229040, 267895, 321474, 343560, 375053, 428632, 535790, 642948, 687120, 750106, 803685, 857264, 1071580, 1125159, 1285896, 1500212, 1607370, 1875265, 2143160, 2250318, 2571792, 3000424, 3214740, 3750530, 4286320, 4500636, 5625795, 6000848, 6429480, 7501060, 9001272, 11251590, 12858960, 15002120, 18002544, 22503180, 30004240, 45006360, 90012720]

約数ペア:

[(1, 90012720), (2, 45006360), (3, 30004240), (4, 22503180), (5, 18002544), (6, 15002120), (7, 12858960), (8, 11251590), (10, 9001272), (12, 7501060), (14, 6429480), (15, 6000848), (16, 5625795), (20, 4500636), (21, 4286320), (24, 3750530), (28, 3214740), (30, 3000424), (35, 2571792), (40, 2250318), (42, 2143160), (48, 1875265), (56, 1607370), (60, 1500212), (70, 1285896), (80, 1125159), (84, 1071580), (105, 857264), (112, 803685), (120, 750106), (131, 687120), (140, 642948), (168, 535790), (210, 428632), (240, 375053), (262, 343560), (280, 321474), (336, 267895), (393, 229040), (409, 220080), (420, 214316), (524, 171780), (560, 160737), (655, 137424), (786, 114520), (818, 110040), (840, 107158), (917, 98160), (1048, 85890), (1227, 73360), (1310, 68712), (1572, 57260), (1636, 55020), (1680, 53579), (1834, 49080), (1965, 45808), (2045, 44016), (2096, 42945), (2454, 36680), (2620, 34356), (2751, 32720), (2863, 31440), (3144, 28630), (3272, 27510), (3668, 24540), (3930, 22904), (4090, 22008), (4585, 19632), (4908, 18340), (5240, 17178), (5502, 16360), (5726, 15720), (6135, 14672), (6288, 14315), (6544, 13755), (7336, 12270), (7860, 11452), (8180, 11004), (8589, 10480), (9170, 9816)]