30515810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 62270208

約数和(自身を除く): 31754398

約数列:

[1, 2, 5, 10, 13, 26, 43, 53, 65, 86, 103, 106, 130, 206, 215, 265, 430, 515, 530, 559, 689, 1030, 1118, 1339, 1378, 2279, 2678, 2795, 3445, 4429, 4558, 5459, 5590, 6695, 6890, 8858, 10918, 11395, 13390, 22145, 22790, 27295, 29627, 44290, 54590, 57577, 59254, 70967, 115154, 141934, 148135, 234737, 287885, 296270, 354835, 469474, 575770, 709670, 1173685, 2347370, 3051581, 6103162, 15257905, 30515810]

約数ペア:

[(1, 30515810), (2, 15257905), (5, 6103162), (10, 3051581), (13, 2347370), (26, 1173685), (43, 709670), (53, 575770), (65, 469474), (86, 354835), (103, 296270), (106, 287885), (130, 234737), (206, 148135), (215, 141934), (265, 115154), (430, 70967), (515, 59254), (530, 57577), (559, 54590), (689, 44290), (1030, 29627), (1118, 27295), (1339, 22790), (1378, 22145), (2279, 13390), (2678, 11395), (2795, 10918), (3445, 8858), (4429, 6890), (4558, 6695), (5459, 5590)]