256234680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54751}}^1$

素因数の和:54781

約数の個数: 96

約数和(自身を含む): 896837760

約数和(自身を除く): 640603080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 54751, 109502, 164253, 219004, 273755, 328506, 438008, 492759, 547510, 657012, 711763, 821265, 985518, 1095020, 1314024, 1423526, 1642530, 1971036, 2135289, 2190040, 2463795, 2847052, 3285060, 3558815, 3942072, 4270578, 4927590, 5694104, 6405867, 6570120, 7117630, 8541156, 9855180, 10676445, 12811734, 14235260, 17082312, 19710360, 21352890, 25623468, 28470520, 32029335, 42705780, 51246936, 64058670, 85411560, 128117340, 256234680]

約数ペア:

[(1, 256234680), (2, 128117340), (3, 85411560), (4, 64058670), (5, 51246936), (6, 42705780), (8, 32029335), (9, 28470520), (10, 25623468), (12, 21352890), (13, 19710360), (15, 17082312), (18, 14235260), (20, 12811734), (24, 10676445), (26, 9855180), (30, 8541156), (36, 7117630), (39, 6570120), (40, 6405867), (45, 5694104), (52, 4927590), (60, 4270578), (65, 3942072), (72, 3558815), (78, 3285060), (90, 2847052), (104, 2463795), (117, 2190040), (120, 2135289), (130, 1971036), (156, 1642530), (180, 1423526), (195, 1314024), (234, 1095020), (260, 985518), (312, 821265), (360, 711763), (390, 657012), (468, 547510), (520, 492759), (585, 438008), (780, 328506), (936, 273755), (1170, 219004), (1560, 164253), (2340, 109502), (4680, 54751)]