155627920

素因数分解:

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

素因数の和:130

約数の個数: 180

約数和(自身を含む): 447510420

約数和(自身を除く): 291882500

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, 980, 1015, 1036, 1073, 1160, 1295, 1369, 1421, 1480, 1624, 1813, 1960, 2030, 2072, 2146, 2320, 2590, 2738, 2842, 2960, 3248, 3626, 3920, 4060, 4144, 4292, 5180, 5365, 5476, 5684, 6845, 7105, 7252, 7511, 8120, 8584, 9065, 9583, 10360, 10730, 10952, 11368, 13690, 14210, 14504, 15022, 16240, 17168, 18130, 19166, 20720, 21460, 21904, 22736, 27380, 28420, 29008, 30044, 36260, 37555, 38332, 39701, 42920, 47915, 52577, 54760, 56840, 60088, 67081, 72520, 75110, 76664, 79402, 85840, 95830, 105154, 109520, 113680, 120176, 134162, 145040, 150220, 153328, 158804, 191660, 198505, 210308, 262885, 268324, 277907, 300440, 317608, 335405, 383320, 397010, 420616, 525770, 536648, 555814, 600880, 635216, 670810, 766640, 794020, 841232, 1051540, 1073296, 1111628, 1341620, 1389535, 1588040, 1945349, 2103080, 2223256, 2683240, 2779070, 3176080, 3890698, 4206160, 4446512, 5366480, 5558140, 7781396, 9726745, 11116280, 15562792, 19453490, 22232560, 31125584, 38906980, 77813960, 155627920]

約数ペア:

[(1, 155627920), (2, 77813960), (4, 38906980), (5, 31125584), (7, 22232560), (8, 19453490), (10, 15562792), (14, 11116280), (16, 9726745), (20, 7781396), (28, 5558140), (29, 5366480), (35, 4446512), (37, 4206160), (40, 3890698), (49, 3176080), (56, 2779070), (58, 2683240), (70, 2223256), (74, 2103080), (80, 1945349), (98, 1588040), (112, 1389535), (116, 1341620), (140, 1111628), (145, 1073296), (148, 1051540), (185, 841232), (196, 794020), (203, 766640), (232, 670810), (245, 635216), (259, 600880), (280, 555814), (290, 536648), (296, 525770), (370, 420616), (392, 397010), (406, 383320), (464, 335405), (490, 317608), (518, 300440), (560, 277907), (580, 268324), (592, 262885), (740, 210308), (784, 198505), (812, 191660), (980, 158804), (1015, 153328), (1036, 150220), (1073, 145040), (1160, 134162), (1295, 120176), (1369, 113680), (1421, 109520), (1480, 105154), (1624, 95830), (1813, 85840), (1960, 79402), (2030, 76664), (2072, 75110), (2146, 72520), (2320, 67081), (2590, 60088), (2738, 56840), (2842, 54760), (2960, 52577), (3248, 47915), (3626, 42920), (3920, 39701), (4060, 38332), (4144, 37555), (4292, 36260), (5180, 30044), (5365, 29008), (5476, 28420), (5684, 27380), (6845, 22736), (7105, 21904), (7252, 21460), (7511, 20720), (8120, 19166), (8584, 18130), (9065, 17168), (9583, 16240), (10360, 15022), (10730, 14504), (10952, 14210), (11368, 13690)]