64939840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:624

約数の個数: 112

約数和(自身を含む): 180392832

約数和(自身を除く): 115452992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 140, 160, 212, 224, 265, 280, 320, 371, 424, 448, 530, 547, 560, 742, 848, 1060, 1094, 1120, 1484, 1696, 1855, 2120, 2188, 2240, 2735, 2968, 3392, 3710, 3829, 4240, 4376, 5470, 5936, 7420, 7658, 8480, 8752, 10940, 11872, 14840, 15316, 16960, 17504, 19145, 21880, 23744, 28991, 29680, 30632, 35008, 38290, 43760, 57982, 59360, 61264, 76580, 87520, 115964, 118720, 122528, 144955, 153160, 175040, 202937, 231928, 245056, 289910, 306320, 405874, 463856, 579820, 612640, 811748, 927712, 1014685, 1159640, 1225280, 1623496, 1855424, 2029370, 2319280, 3246992, 4058740, 4638560, 6493984, 8117480, 9277120, 12987968, 16234960, 32469920, 64939840]

約数ペア:

[(1, 64939840), (2, 32469920), (4, 16234960), (5, 12987968), (7, 9277120), (8, 8117480), (10, 6493984), (14, 4638560), (16, 4058740), (20, 3246992), (28, 2319280), (32, 2029370), (35, 1855424), (40, 1623496), (53, 1225280), (56, 1159640), (64, 1014685), (70, 927712), (80, 811748), (106, 612640), (112, 579820), (140, 463856), (160, 405874), (212, 306320), (224, 289910), (265, 245056), (280, 231928), (320, 202937), (371, 175040), (424, 153160), (448, 144955), (530, 122528), (547, 118720), (560, 115964), (742, 87520), (848, 76580), (1060, 61264), (1094, 59360), (1120, 57982), (1484, 43760), (1696, 38290), (1855, 35008), (2120, 30632), (2188, 29680), (2240, 28991), (2735, 23744), (2968, 21880), (3392, 19145), (3710, 17504), (3829, 16960), (4240, 15316), (4376, 14840), (5470, 11872), (5936, 10940), (7420, 8752), (7658, 8480)]