66777760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:678

約数の個数: 96

約数和(自身を含む): 182286720

約数和(自身を除く): 115508960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 109, 112, 140, 160, 218, 224, 280, 436, 545, 547, 560, 763, 872, 1090, 1094, 1120, 1526, 1744, 2180, 2188, 2735, 3052, 3488, 3815, 3829, 4360, 4376, 5470, 6104, 7630, 7658, 8720, 8752, 10940, 12208, 15260, 15316, 17440, 17504, 19145, 21880, 24416, 30520, 30632, 38290, 43760, 59623, 61040, 61264, 76580, 87520, 119246, 122080, 122528, 153160, 238492, 298115, 306320, 417361, 476984, 596230, 612640, 834722, 953968, 1192460, 1669444, 1907936, 2086805, 2384920, 3338888, 4173610, 4769840, 6677776, 8347220, 9539680, 13355552, 16694440, 33388880, 66777760]

約数ペア:

[(1, 66777760), (2, 33388880), (4, 16694440), (5, 13355552), (7, 9539680), (8, 8347220), (10, 6677776), (14, 4769840), (16, 4173610), (20, 3338888), (28, 2384920), (32, 2086805), (35, 1907936), (40, 1669444), (56, 1192460), (70, 953968), (80, 834722), (109, 612640), (112, 596230), (140, 476984), (160, 417361), (218, 306320), (224, 298115), (280, 238492), (436, 153160), (545, 122528), (547, 122080), (560, 119246), (763, 87520), (872, 76580), (1090, 61264), (1094, 61040), (1120, 59623), (1526, 43760), (1744, 38290), (2180, 30632), (2188, 30520), (2735, 24416), (3052, 21880), (3488, 19145), (3815, 17504), (3829, 17440), (4360, 15316), (4376, 15260), (5470, 12208), (6104, 10940), (7630, 8752), (7658, 8720)]