71242240

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1637}}^1$

素因数の和:1677

約数の個数: 80

約数和(自身を含む): 180972792

約数和(自身を除く): 109730552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 1637, 2176, 2560, 2720, 3274, 4352, 5440, 6548, 8185, 8704, 10880, 13096, 16370, 21760, 26192, 27829, 32740, 43520, 52384, 55658, 65480, 104768, 111316, 130960, 139145, 209536, 222632, 261920, 278290, 419072, 445264, 523840, 556580, 838144, 890528, 1047680, 1113160, 1781056, 2095360, 2226320, 3562112, 4190720, 4452640, 7124224, 8905280, 14248448, 17810560, 35621120, 71242240]

約数ペア:

[(1, 71242240), (2, 35621120), (4, 17810560), (5, 14248448), (8, 8905280), (10, 7124224), (16, 4452640), (17, 4190720), (20, 3562112), (32, 2226320), (34, 2095360), (40, 1781056), (64, 1113160), (68, 1047680), (80, 890528), (85, 838144), (128, 556580), (136, 523840), (160, 445264), (170, 419072), (256, 278290), (272, 261920), (320, 222632), (340, 209536), (512, 139145), (544, 130960), (640, 111316), (680, 104768), (1088, 65480), (1280, 55658), (1360, 52384), (1637, 43520), (2176, 32740), (2560, 27829), (2720, 26192), (3274, 21760), (4352, 16370), (5440, 13096), (6548, 10880), (8185, 8704)]