81492840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1583}}^1$

素因数の和:1624

約数の個数: 192

約数和(自身を含む): 311351040

約数和(自身を除く): 229858200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 52, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 264, 286, 312, 330, 360, 390, 396, 429, 440, 468, 495, 520, 572, 585, 660, 715, 780, 792, 858, 936, 990, 1144, 1170, 1287, 1320, 1430, 1560, 1583, 1716, 1980, 2145, 2340, 2574, 2860, 3166, 3432, 3960, 4290, 4680, 4749, 5148, 5720, 6332, 6435, 7915, 8580, 9498, 10296, 12664, 12870, 14247, 15830, 17160, 17413, 18996, 20579, 23745, 25740, 28494, 31660, 34826, 37992, 41158, 47490, 51480, 52239, 56988, 61737, 63320, 69652, 71235, 82316, 87065, 94980, 102895, 104478, 113976, 123474, 139304, 142470, 156717, 164632, 174130, 185211, 189960, 205790, 208956, 226369, 246948, 261195, 284940, 308685, 313434, 348260, 370422, 411580, 417912, 452738, 493896, 522390, 569880, 617370, 626868, 679107, 696520, 740844, 783585, 823160, 905476, 926055, 1044780, 1131845, 1234740, 1253736, 1358214, 1481688, 1567170, 1810952, 1852110, 2037321, 2089560, 2263690, 2469480, 2716428, 3134340, 3395535, 3704220, 4074642, 4527380, 5432856, 6268680, 6791070, 7408440, 8149284, 9054760, 10186605, 13582140, 16298568, 20373210, 27164280, 40746420, 81492840]

約数ペア:

[(1, 81492840), (2, 40746420), (3, 27164280), (4, 20373210), (5, 16298568), (6, 13582140), (8, 10186605), (9, 9054760), (10, 8149284), (11, 7408440), (12, 6791070), (13, 6268680), (15, 5432856), (18, 4527380), (20, 4074642), (22, 3704220), (24, 3395535), (26, 3134340), (30, 2716428), (33, 2469480), (36, 2263690), (39, 2089560), (40, 2037321), (44, 1852110), (45, 1810952), (52, 1567170), (55, 1481688), (60, 1358214), (65, 1253736), (66, 1234740), (72, 1131845), (78, 1044780), (88, 926055), (90, 905476), (99, 823160), (104, 783585), (110, 740844), (117, 696520), (120, 679107), (130, 626868), (132, 617370), (143, 569880), (156, 522390), (165, 493896), (180, 452738), (195, 417912), (198, 411580), (220, 370422), (234, 348260), (260, 313434), (264, 308685), (286, 284940), (312, 261195), (330, 246948), (360, 226369), (390, 208956), (396, 205790), (429, 189960), (440, 185211), (468, 174130), (495, 164632), (520, 156717), (572, 142470), (585, 139304), (660, 123474), (715, 113976), (780, 104478), (792, 102895), (858, 94980), (936, 87065), (990, 82316), (1144, 71235), (1170, 69652), (1287, 63320), (1320, 61737), (1430, 56988), (1560, 52239), (1583, 51480), (1716, 47490), (1980, 41158), (2145, 37992), (2340, 34826), (2574, 31660), (2860, 28494), (3166, 25740), (3432, 23745), (3960, 20579), (4290, 18996), (4680, 17413), (4749, 17160), (5148, 15830), (5720, 14247), (6332, 12870), (6435, 12664), (7915, 10296), (8580, 9498)]