27920160

素因数分解:

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

素因数の和:328

約数の個数: 192

約数和(自身を含む): 102332160

約数和(自身を除く): 74412000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 180, 184, 207, 216, 230, 240, 270, 276, 281, 288, 345, 360, 368, 414, 432, 460, 480, 540, 552, 562, 621, 690, 720, 736, 828, 843, 864, 920, 1035, 1080, 1104, 1124, 1242, 1380, 1405, 1440, 1656, 1686, 1840, 2070, 2160, 2208, 2248, 2484, 2529, 2760, 2810, 3105, 3312, 3372, 3680, 4140, 4215, 4320, 4496, 4968, 5058, 5520, 5620, 6210, 6463, 6624, 6744, 7587, 8280, 8430, 8992, 9936, 10116, 11040, 11240, 12420, 12645, 12926, 13488, 15174, 16560, 16860, 19389, 19872, 20232, 22480, 24840, 25290, 25852, 26976, 30348, 32315, 33120, 33720, 37935, 38778, 40464, 44960, 49680, 50580, 51704, 58167, 60696, 64630, 67440, 75870, 77556, 80928, 96945, 99360, 101160, 103408, 116334, 121392, 129260, 134880, 151740, 155112, 174501, 193890, 202320, 206816, 232668, 242784, 258520, 290835, 303480, 310224, 349002, 387780, 404640, 465336, 517040, 581670, 606960, 620448, 698004, 775560, 872505, 930672, 1034080, 1163340, 1213920, 1396008, 1551120, 1745010, 1861344, 2326680, 2792016, 3102240, 3490020, 4653360, 5584032, 6980040, 9306720, 13960080, 27920160]

約数ペア:

[(1, 27920160), (2, 13960080), (3, 9306720), (4, 6980040), (5, 5584032), (6, 4653360), (8, 3490020), (9, 3102240), (10, 2792016), (12, 2326680), (15, 1861344), (16, 1745010), (18, 1551120), (20, 1396008), (23, 1213920), (24, 1163340), (27, 1034080), (30, 930672), (32, 872505), (36, 775560), (40, 698004), (45, 620448), (46, 606960), (48, 581670), (54, 517040), (60, 465336), (69, 404640), (72, 387780), (80, 349002), (90, 310224), (92, 303480), (96, 290835), (108, 258520), (115, 242784), (120, 232668), (135, 206816), (138, 202320), (144, 193890), (160, 174501), (180, 155112), (184, 151740), (207, 134880), (216, 129260), (230, 121392), (240, 116334), (270, 103408), (276, 101160), (281, 99360), (288, 96945), (345, 80928), (360, 77556), (368, 75870), (414, 67440), (432, 64630), (460, 60696), (480, 58167), (540, 51704), (552, 50580), (562, 49680), (621, 44960), (690, 40464), (720, 38778), (736, 37935), (828, 33720), (843, 33120), (864, 32315), (920, 30348), (1035, 26976), (1080, 25852), (1104, 25290), (1124, 24840), (1242, 22480), (1380, 20232), (1405, 19872), (1440, 19389), (1656, 16860), (1686, 16560), (1840, 15174), (2070, 13488), (2160, 12926), (2208, 12645), (2248, 12420), (2484, 11240), (2529, 11040), (2760, 10116), (2810, 9936), (3105, 8992), (3312, 8430), (3372, 8280), (3680, 7587), (4140, 6744), (4215, 6624), (4320, 6463), (4496, 6210), (4968, 5620), (5058, 5520)]