121978640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^2\times {\mathrm{37}}^1$

素因数の和:122

約数の個数: 180

約数和(自身を含む): 350904996

約数和(自身を除く): 228926356

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 37, 40, 49, 56, 58, 70, 74, 80, 98, 112, 116, 140, 145, 148, 185, 196, 203, 232, 245, 259, 280, 290, 296, 370, 392, 406, 464, 490, 518, 560, 580, 592, 740, 784, 812, 841, 980, 1015, 1036, 1073, 1160, 1295, 1421, 1480, 1624, 1682, 1813, 1960, 2030, 2072, 2146, 2320, 2590, 2842, 2960, 3248, 3364, 3626, 3920, 4060, 4144, 4205, 4292, 5180, 5365, 5684, 5887, 6728, 7105, 7252, 7511, 8120, 8410, 8584, 9065, 10360, 10730, 11368, 11774, 13456, 14210, 14504, 15022, 16240, 16820, 17168, 18130, 20720, 21460, 22736, 23548, 28420, 29008, 29435, 30044, 31117, 33640, 36260, 37555, 41209, 42920, 47096, 52577, 56840, 58870, 60088, 62234, 67280, 72520, 75110, 82418, 85840, 94192, 105154, 113680, 117740, 120176, 124468, 145040, 150220, 155585, 164836, 206045, 210308, 217819, 235480, 248936, 262885, 300440, 311170, 329672, 412090, 420616, 435638, 470960, 497872, 525770, 600880, 622340, 659344, 824180, 841232, 871276, 1051540, 1089095, 1244680, 1524733, 1648360, 1742552, 2103080, 2178190, 2489360, 3049466, 3296720, 3485104, 4206160, 4356380, 6098932, 7623665, 8712760, 12197864, 15247330, 17425520, 24395728, 30494660, 60989320, 121978640]

約数ペア:

[(1, 121978640), (2, 60989320), (4, 30494660), (5, 24395728), (7, 17425520), (8, 15247330), (10, 12197864), (14, 8712760), (16, 7623665), (20, 6098932), (28, 4356380), (29, 4206160), (35, 3485104), (37, 3296720), (40, 3049466), (49, 2489360), (56, 2178190), (58, 2103080), (70, 1742552), (74, 1648360), (80, 1524733), (98, 1244680), (112, 1089095), (116, 1051540), (140, 871276), (145, 841232), (148, 824180), (185, 659344), (196, 622340), (203, 600880), (232, 525770), (245, 497872), (259, 470960), (280, 435638), (290, 420616), (296, 412090), (370, 329672), (392, 311170), (406, 300440), (464, 262885), (490, 248936), (518, 235480), (560, 217819), (580, 210308), (592, 206045), (740, 164836), (784, 155585), (812, 150220), (841, 145040), (980, 124468), (1015, 120176), (1036, 117740), (1073, 113680), (1160, 105154), (1295, 94192), (1421, 85840), (1480, 82418), (1624, 75110), (1682, 72520), (1813, 67280), (1960, 62234), (2030, 60088), (2072, 58870), (2146, 56840), (2320, 52577), (2590, 47096), (2842, 42920), (2960, 41209), (3248, 37555), (3364, 36260), (3626, 33640), (3920, 31117), (4060, 30044), (4144, 29435), (4205, 29008), (4292, 28420), (5180, 23548), (5365, 22736), (5684, 21460), (5887, 20720), (6728, 18130), (7105, 17168), (7252, 16820), (7511, 16240), (8120, 15022), (8410, 14504), (8584, 14210), (9065, 13456), (10360, 11774), (10730, 11368)]