30315460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2741}}^1$

素因数の和:2836

約数の個数: 48

約数和(自身を含む): 73704960

約数和(自身を除く): 43389500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2741, 2765, 5482, 5530, 10964, 11060, 13705, 19187, 27410, 38374, 54820, 76748, 95935, 191870, 216539, 383740, 433078, 866156, 1082695, 1515773, 2165390, 3031546, 4330780, 6063092, 7578865, 15157730, 30315460]

約数ペア:

[(1, 30315460), (2, 15157730), (4, 7578865), (5, 6063092), (7, 4330780), (10, 3031546), (14, 2165390), (20, 1515773), (28, 1082695), (35, 866156), (70, 433078), (79, 383740), (140, 216539), (158, 191870), (316, 95935), (395, 76748), (553, 54820), (790, 38374), (1106, 27410), (1580, 19187), (2212, 13705), (2741, 11060), (2765, 10964), (5482, 5530)]