30556370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 32947630

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 89, 95, 130, 139, 178, 190, 247, 278, 445, 494, 695, 890, 1157, 1235, 1390, 1691, 1807, 2314, 2470, 2641, 3382, 3614, 5282, 5785, 8455, 9035, 11570, 12371, 13205, 16910, 18070, 21983, 24742, 26410, 34333, 43966, 61855, 68666, 109915, 123710, 160823, 171665, 219830, 235049, 321646, 343330, 470098, 804115, 1175245, 1608230, 2350490, 3055637, 6111274, 15278185, 30556370]

約数ペア:

[(1, 30556370), (2, 15278185), (5, 6111274), (10, 3055637), (13, 2350490), (19, 1608230), (26, 1175245), (38, 804115), (65, 470098), (89, 343330), (95, 321646), (130, 235049), (139, 219830), (178, 171665), (190, 160823), (247, 123710), (278, 109915), (445, 68666), (494, 61855), (695, 43966), (890, 34333), (1157, 26410), (1235, 24742), (1390, 21983), (1691, 18070), (1807, 16910), (2314, 13205), (2470, 12371), (2641, 11570), (3382, 9035), (3614, 8455), (5282, 5785)]