420706560

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1231}}^1$

素因数の和:1344

約数の個数: 144

約数和(自身を含む): 1359832320

約数和(自身を除く): 939125760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 89, 96, 120, 128, 160, 178, 192, 240, 256, 267, 320, 356, 384, 445, 480, 534, 640, 712, 768, 890, 960, 1068, 1231, 1280, 1335, 1424, 1780, 1920, 2136, 2462, 2670, 2848, 3560, 3693, 3840, 4272, 4924, 5340, 5696, 6155, 7120, 7386, 8544, 9848, 10680, 11392, 12310, 14240, 14772, 17088, 18465, 19696, 21360, 22784, 24620, 28480, 29544, 34176, 36930, 39392, 42720, 49240, 56960, 59088, 68352, 73860, 78784, 85440, 98480, 109559, 113920, 118176, 147720, 157568, 170880, 196960, 219118, 236352, 295440, 315136, 328677, 341760, 393920, 438236, 472704, 547795, 590880, 657354, 787840, 876472, 945408, 1095590, 1181760, 1314708, 1575680, 1643385, 1752944, 2191180, 2363520, 2629416, 3286770, 3505888, 4382360, 4727040, 5258832, 6573540, 7011776, 8764720, 10517664, 13147080, 14023552, 17529440, 21035328, 26294160, 28047104, 35058880, 42070656, 52588320, 70117760, 84141312, 105176640, 140235520, 210353280, 420706560]

約数ペア:

[(1, 420706560), (2, 210353280), (3, 140235520), (4, 105176640), (5, 84141312), (6, 70117760), (8, 52588320), (10, 42070656), (12, 35058880), (15, 28047104), (16, 26294160), (20, 21035328), (24, 17529440), (30, 14023552), (32, 13147080), (40, 10517664), (48, 8764720), (60, 7011776), (64, 6573540), (80, 5258832), (89, 4727040), (96, 4382360), (120, 3505888), (128, 3286770), (160, 2629416), (178, 2363520), (192, 2191180), (240, 1752944), (256, 1643385), (267, 1575680), (320, 1314708), (356, 1181760), (384, 1095590), (445, 945408), (480, 876472), (534, 787840), (640, 657354), (712, 590880), (768, 547795), (890, 472704), (960, 438236), (1068, 393920), (1231, 341760), (1280, 328677), (1335, 315136), (1424, 295440), (1780, 236352), (1920, 219118), (2136, 196960), (2462, 170880), (2670, 157568), (2848, 147720), (3560, 118176), (3693, 113920), (3840, 109559), (4272, 98480), (4924, 85440), (5340, 78784), (5696, 73860), (6155, 68352), (7120, 59088), (7386, 56960), (8544, 49240), (9848, 42720), (10680, 39392), (11392, 36930), (12310, 34176), (14240, 29544), (14772, 28480), (17088, 24620), (18465, 22784), (19696, 21360)]