65728320

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{9781}}^1$

素因数の和:9808

約数の個数: 112

約数和(自身を含む): 238524288

約数和(自身を除く): 172795968

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, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 9781, 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, 1369340, 1564960, 1643208, 1877952, 2054010, 2190944, 2347440, 2738680, 3129920, 3286416, 4108020, 4381888, 4694880, 5477360, 6572832, 8216040, 9389760, 10954720, 13145664, 16432080, 21909440, 32864160, 65728320]

約数ペア:

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