64472640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:540

約数の個数: 112

約数和(自身を含む): 206288640

約数和(自身を除く): 141816000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 239, 240, 281, 320, 478, 480, 562, 717, 843, 956, 960, 1124, 1195, 1405, 1434, 1686, 1912, 2248, 2390, 2810, 2868, 3372, 3585, 3824, 4215, 4496, 4780, 5620, 5736, 6744, 7170, 7648, 8430, 8992, 9560, 11240, 11472, 13488, 14340, 15296, 16860, 17984, 19120, 22480, 22944, 26976, 28680, 33720, 38240, 44960, 45888, 53952, 57360, 67159, 67440, 76480, 89920, 114720, 134318, 134880, 201477, 229440, 268636, 269760, 335795, 402954, 537272, 671590, 805908, 1007385, 1074544, 1343180, 1611816, 2014770, 2149088, 2686360, 3223632, 4029540, 4298176, 5372720, 6447264, 8059080, 10745440, 12894528, 16118160, 21490880, 32236320, 64472640]

約数ペア:

[(1, 64472640), (2, 32236320), (3, 21490880), (4, 16118160), (5, 12894528), (6, 10745440), (8, 8059080), (10, 6447264), (12, 5372720), (15, 4298176), (16, 4029540), (20, 3223632), (24, 2686360), (30, 2149088), (32, 2014770), (40, 1611816), (48, 1343180), (60, 1074544), (64, 1007385), (80, 805908), (96, 671590), (120, 537272), (160, 402954), (192, 335795), (239, 269760), (240, 268636), (281, 229440), (320, 201477), (478, 134880), (480, 134318), (562, 114720), (717, 89920), (843, 76480), (956, 67440), (960, 67159), (1124, 57360), (1195, 53952), (1405, 45888), (1434, 44960), (1686, 38240), (1912, 33720), (2248, 28680), (2390, 26976), (2810, 22944), (2868, 22480), (3372, 19120), (3585, 17984), (3824, 16860), (4215, 15296), (4496, 14340), (4780, 13488), (5620, 11472), (5736, 11240), (6744, 9560), (7170, 8992), (7648, 8430)]