81320640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:199

約数の個数: 224

約数和(自身を含む): 280903680

約数和(自身を除く): 199583040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 29, 30, 32, 40, 46, 48, 58, 60, 64, 69, 80, 87, 92, 96, 115, 116, 120, 127, 138, 145, 160, 174, 184, 192, 230, 232, 240, 254, 276, 290, 320, 345, 348, 368, 381, 435, 460, 464, 480, 508, 552, 580, 635, 667, 690, 696, 736, 762, 870, 920, 928, 960, 1016, 1104, 1160, 1270, 1334, 1380, 1392, 1472, 1524, 1740, 1840, 1856, 1905, 2001, 2032, 2208, 2320, 2540, 2668, 2760, 2784, 2921, 3048, 3335, 3480, 3680, 3683, 3810, 4002, 4064, 4416, 4640, 5080, 5336, 5520, 5568, 5842, 6096, 6670, 6960, 7360, 7366, 7620, 8004, 8128, 8763, 9280, 10005, 10160, 10672, 11040, 11049, 11684, 12192, 13340, 13920, 14605, 14732, 15240, 16008, 17526, 18415, 20010, 20320, 21344, 22080, 22098, 23368, 24384, 26680, 27840, 29210, 29464, 30480, 32016, 35052, 36830, 40020, 40640, 42688, 43815, 44196, 46736, 53360, 55245, 58420, 58928, 60960, 64032, 70104, 73660, 80040, 84709, 87630, 88392, 93472, 106720, 110490, 116840, 117856, 121920, 128064, 140208, 147320, 160080, 169418, 175260, 176784, 186944, 213440, 220980, 233680, 235712, 254127, 280416, 294640, 320160, 338836, 350520, 353568, 423545, 441960, 467360, 508254, 560832, 589280, 640320, 677672, 701040, 707136, 847090, 883920, 934720, 1016508, 1178560, 1270635, 1355344, 1402080, 1694180, 1767840, 2033016, 2541270, 2710688, 2804160, 3388360, 3535680, 4066032, 5082540, 5421376, 6776720, 8132064, 10165080, 13553440, 16264128, 20330160, 27106880, 40660320, 81320640]

約数ペア:

[(1, 81320640), (2, 40660320), (3, 27106880), (4, 20330160), (5, 16264128), (6, 13553440), (8, 10165080), (10, 8132064), (12, 6776720), (15, 5421376), (16, 5082540), (20, 4066032), (23, 3535680), (24, 3388360), (29, 2804160), (30, 2710688), (32, 2541270), (40, 2033016), (46, 1767840), (48, 1694180), (58, 1402080), (60, 1355344), (64, 1270635), (69, 1178560), (80, 1016508), (87, 934720), (92, 883920), (96, 847090), (115, 707136), (116, 701040), (120, 677672), (127, 640320), (138, 589280), (145, 560832), (160, 508254), (174, 467360), (184, 441960), (192, 423545), (230, 353568), (232, 350520), (240, 338836), (254, 320160), (276, 294640), (290, 280416), (320, 254127), (345, 235712), (348, 233680), (368, 220980), (381, 213440), (435, 186944), (460, 176784), (464, 175260), (480, 169418), (508, 160080), (552, 147320), (580, 140208), (635, 128064), (667, 121920), (690, 117856), (696, 116840), (736, 110490), (762, 106720), (870, 93472), (920, 88392), (928, 87630), (960, 84709), (1016, 80040), (1104, 73660), (1160, 70104), (1270, 64032), (1334, 60960), (1380, 58928), (1392, 58420), (1472, 55245), (1524, 53360), (1740, 46736), (1840, 44196), (1856, 43815), (1905, 42688), (2001, 40640), (2032, 40020), (2208, 36830), (2320, 35052), (2540, 32016), (2668, 30480), (2760, 29464), (2784, 29210), (2921, 27840), (3048, 26680), (3335, 24384), (3480, 23368), (3680, 22098), (3683, 22080), (3810, 21344), (4002, 20320), (4064, 20010), (4416, 18415), (4640, 17526), (5080, 16008), (5336, 15240), (5520, 14732), (5568, 14605), (5842, 13920), (6096, 13340), (6670, 12192), (6960, 11684), (7360, 11049), (7366, 11040), (7620, 10672), (8004, 10160), (8128, 10005), (8763, 9280)]