21508212480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151381}}^1$

素因数の和:151442

約数の個数: 144

約数和(自身を含む): 70548856224

約数和(自身を除く): 49040643744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 256, 296, 320, 370, 384, 444, 480, 555, 592, 640, 740, 768, 888, 960, 1110, 1184, 1280, 1480, 1776, 1920, 2220, 2368, 2960, 3552, 3840, 4440, 4736, 5920, 7104, 8880, 9472, 11840, 14208, 17760, 23680, 28416, 35520, 47360, 71040, 142080, 151381, 302762, 454143, 605524, 756905, 908286, 1211048, 1513810, 1816572, 2270715, 2422096, 3027620, 3633144, 4541430, 4844192, 5601097, 6055240, 7266288, 9082860, 9688384, 11202194, 12110480, 14532576, 16803291, 18165720, 19376768, 22404388, 24220960, 28005485, 29065152, 33606582, 36331440, 38753536, 44808776, 48441920, 56010970, 58130304, 67213164, 72662880, 84016455, 89617552, 96883840, 112021940, 116260608, 134426328, 145325760, 168032910, 179235104, 193767680, 224043880, 268852656, 290651520, 336065820, 358470208, 448087760, 537705312, 581303040, 672131640, 716940416, 896175520, 1075410624, 1344263280, 1433880832, 1792351040, 2150821248, 2688526560, 3584702080, 4301642496, 5377053120, 7169404160, 10754106240, 21508212480]

約数ペア:

[(1, 21508212480), (2, 10754106240), (3, 7169404160), (4, 5377053120), (5, 4301642496), (6, 3584702080), (8, 2688526560), (10, 2150821248), (12, 1792351040), (15, 1433880832), (16, 1344263280), (20, 1075410624), (24, 896175520), (30, 716940416), (32, 672131640), (37, 581303040), (40, 537705312), (48, 448087760), (60, 358470208), (64, 336065820), (74, 290651520), (80, 268852656), (96, 224043880), (111, 193767680), (120, 179235104), (128, 168032910), (148, 145325760), (160, 134426328), (185, 116260608), (192, 112021940), (222, 96883840), (240, 89617552), (256, 84016455), (296, 72662880), (320, 67213164), (370, 58130304), (384, 56010970), (444, 48441920), (480, 44808776), (555, 38753536), (592, 36331440), (640, 33606582), (740, 29065152), (768, 28005485), (888, 24220960), (960, 22404388), (1110, 19376768), (1184, 18165720), (1280, 16803291), (1480, 14532576), (1776, 12110480), (1920, 11202194), (2220, 9688384), (2368, 9082860), (2960, 7266288), (3552, 6055240), (3840, 5601097), (4440, 4844192), (4736, 4541430), (5920, 3633144), (7104, 3027620), (8880, 2422096), (9472, 2270715), (11840, 1816572), (14208, 1513810), (17760, 1211048), (23680, 908286), (28416, 756905), (35520, 605524), (47360, 454143), (71040, 302762), (142080, 151381)]