8182720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:318

約数の個数: 112

約数和(自身を含む): 24067008

約数和(自身を除く): 15884288

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 281, 320, 364, 416, 448, 455, 520, 560, 562, 728, 832, 910, 1040, 1120, 1124, 1405, 1456, 1820, 1967, 2080, 2240, 2248, 2810, 2912, 3640, 3653, 3934, 4160, 4496, 5620, 5824, 7280, 7306, 7868, 8992, 9835, 11240, 14560, 14612, 15736, 17984, 18265, 19670, 22480, 25571, 29120, 29224, 31472, 36530, 39340, 44960, 51142, 58448, 62944, 73060, 78680, 89920, 102284, 116896, 125888, 127855, 146120, 157360, 204568, 233792, 255710, 292240, 314720, 409136, 511420, 584480, 629440, 818272, 1022840, 1168960, 1636544, 2045680, 4091360, 8182720]

約数ペア:

[(1, 8182720), (2, 4091360), (4, 2045680), (5, 1636544), (7, 1168960), (8, 1022840), (10, 818272), (13, 629440), (14, 584480), (16, 511420), (20, 409136), (26, 314720), (28, 292240), (32, 255710), (35, 233792), (40, 204568), (52, 157360), (56, 146120), (64, 127855), (65, 125888), (70, 116896), (80, 102284), (91, 89920), (104, 78680), (112, 73060), (130, 62944), (140, 58448), (160, 51142), (182, 44960), (208, 39340), (224, 36530), (260, 31472), (280, 29224), (281, 29120), (320, 25571), (364, 22480), (416, 19670), (448, 18265), (455, 17984), (520, 15736), (560, 14612), (562, 14560), (728, 11240), (832, 9835), (910, 8992), (1040, 7868), (1120, 7306), (1124, 7280), (1405, 5824), (1456, 5620), (1820, 4496), (1967, 4160), (2080, 3934), (2240, 3653), (2248, 3640), (2810, 2912)]