140235520

素因数分解:

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

素因数の和:1341

約数の個数: 72

約数和(自身を含む): 339958080

約数和(自身を除く): 199722560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 640, 712, 890, 1231, 1280, 1424, 1780, 2462, 2848, 3560, 4924, 5696, 6155, 7120, 9848, 11392, 12310, 14240, 19696, 22784, 24620, 28480, 39392, 49240, 56960, 78784, 98480, 109559, 113920, 157568, 196960, 219118, 315136, 393920, 438236, 547795, 787840, 876472, 1095590, 1575680, 1752944, 2191180, 3505888, 4382360, 7011776, 8764720, 14023552, 17529440, 28047104, 35058880, 70117760, 140235520]

約数ペア:

[(1, 140235520), (2, 70117760), (4, 35058880), (5, 28047104), (8, 17529440), (10, 14023552), (16, 8764720), (20, 7011776), (32, 4382360), (40, 3505888), (64, 2191180), (80, 1752944), (89, 1575680), (128, 1095590), (160, 876472), (178, 787840), (256, 547795), (320, 438236), (356, 393920), (445, 315136), (640, 219118), (712, 196960), (890, 157568), (1231, 113920), (1280, 109559), (1424, 98480), (1780, 78784), (2462, 56960), (2848, 49240), (3560, 39392), (4924, 28480), (5696, 24620), (6155, 22784), (7120, 19696), (9848, 14240), (11392, 12310)]