131456640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{9781}}^1$

素因数の和:9810

約数の個数: 128

約数和(自身を含む): 478926720

約数和(自身を除く): 347470080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 9781, 13440, 19562, 29343, 39124, 48905, 58686, 68467, 78248, 97810, 117372, 136934, 146715, 156496, 195620, 205401, 234744, 273868, 293430, 312992, 342335, 391240, 410802, 469488, 547736, 586860, 625984, 684670, 782480, 821604, 938976, 1027005, 1095472, 1173720, 1251968, 1369340, 1564960, 1643208, 1877952, 2054010, 2190944, 2347440, 2738680, 3129920, 3286416, 3755904, 4108020, 4381888, 4694880, 5477360, 6259840, 6572832, 8216040, 8763776, 9389760, 10954720, 13145664, 16432080, 18779520, 21909440, 26291328, 32864160, 43818880, 65728320, 131456640]

約数ペア:

[(1, 131456640), (2, 65728320), (3, 43818880), (4, 32864160), (5, 26291328), (6, 21909440), (7, 18779520), (8, 16432080), (10, 13145664), (12, 10954720), (14, 9389760), (15, 8763776), (16, 8216040), (20, 6572832), (21, 6259840), (24, 5477360), (28, 4694880), (30, 4381888), (32, 4108020), (35, 3755904), (40, 3286416), (42, 3129920), (48, 2738680), (56, 2347440), (60, 2190944), (64, 2054010), (70, 1877952), (80, 1643208), (84, 1564960), (96, 1369340), (105, 1251968), (112, 1173720), (120, 1095472), (128, 1027005), (140, 938976), (160, 821604), (168, 782480), (192, 684670), (210, 625984), (224, 586860), (240, 547736), (280, 469488), (320, 410802), (336, 391240), (384, 342335), (420, 312992), (448, 293430), (480, 273868), (560, 234744), (640, 205401), (672, 195620), (840, 156496), (896, 146715), (960, 136934), (1120, 117372), (1344, 97810), (1680, 78248), (1920, 68467), (2240, 58686), (2688, 48905), (3360, 39124), (4480, 29343), (6720, 19562), (9781, 13440)]