18613440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:327

約数の個数: 168

約数和(自身を含む): 67043808

約数和(自身を除く): 48430368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 192, 207, 230, 240, 276, 281, 288, 320, 345, 360, 368, 414, 460, 480, 552, 562, 576, 690, 720, 736, 828, 843, 920, 960, 1035, 1104, 1124, 1380, 1405, 1440, 1472, 1656, 1686, 1840, 2070, 2208, 2248, 2529, 2760, 2810, 2880, 3312, 3372, 3680, 4140, 4215, 4416, 4496, 5058, 5520, 5620, 6463, 6624, 6744, 7360, 8280, 8430, 8992, 10116, 11040, 11240, 12645, 12926, 13248, 13488, 16560, 16860, 17984, 19389, 20232, 22080, 22480, 25290, 25852, 26976, 32315, 33120, 33720, 38778, 40464, 44960, 50580, 51704, 53952, 58167, 64630, 66240, 67440, 77556, 80928, 89920, 96945, 101160, 103408, 116334, 129260, 134880, 155112, 161856, 193890, 202320, 206816, 232668, 258520, 269760, 290835, 310224, 387780, 404640, 413632, 465336, 517040, 581670, 620448, 775560, 809280, 930672, 1034080, 1163340, 1240896, 1551120, 1861344, 2068160, 2326680, 3102240, 3722688, 4653360, 6204480, 9306720, 18613440]

約数ペア:

[(1, 18613440), (2, 9306720), (3, 6204480), (4, 4653360), (5, 3722688), (6, 3102240), (8, 2326680), (9, 2068160), (10, 1861344), (12, 1551120), (15, 1240896), (16, 1163340), (18, 1034080), (20, 930672), (23, 809280), (24, 775560), (30, 620448), (32, 581670), (36, 517040), (40, 465336), (45, 413632), (46, 404640), (48, 387780), (60, 310224), (64, 290835), (69, 269760), (72, 258520), (80, 232668), (90, 206816), (92, 202320), (96, 193890), (115, 161856), (120, 155112), (138, 134880), (144, 129260), (160, 116334), (180, 103408), (184, 101160), (192, 96945), (207, 89920), (230, 80928), (240, 77556), (276, 67440), (281, 66240), (288, 64630), (320, 58167), (345, 53952), (360, 51704), (368, 50580), (414, 44960), (460, 40464), (480, 38778), (552, 33720), (562, 33120), (576, 32315), (690, 26976), (720, 25852), (736, 25290), (828, 22480), (843, 22080), (920, 20232), (960, 19389), (1035, 17984), (1104, 16860), (1124, 16560), (1380, 13488), (1405, 13248), (1440, 12926), (1472, 12645), (1656, 11240), (1686, 11040), (1840, 10116), (2070, 8992), (2208, 8430), (2248, 8280), (2529, 7360), (2760, 6744), (2810, 6624), (2880, 6463), (3312, 5620), (3372, 5520), (3680, 5058), (4140, 4496), (4215, 4416)]