518704380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{10957}}^1$

素因数の和:11235

約数の個数: 72

約数和(自身を含む): 1579529952

約数和(自身を除く): 1060825572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 789, 1052, 1315, 1578, 2367, 2630, 3156, 3945, 4734, 5260, 7890, 9468, 10957, 11835, 15780, 21914, 23670, 32871, 43828, 47340, 54785, 65742, 98613, 109570, 131484, 164355, 197226, 219140, 328710, 394452, 493065, 657420, 986130, 1972260, 2881691, 5763382, 8645073, 11526764, 14408455, 17290146, 25935219, 28816910, 34580292, 43225365, 51870438, 57633820, 86450730, 103740876, 129676095, 172901460, 259352190, 518704380]

約数ペア:

[(1, 518704380), (2, 259352190), (3, 172901460), (4, 129676095), (5, 103740876), (6, 86450730), (9, 57633820), (10, 51870438), (12, 43225365), (15, 34580292), (18, 28816910), (20, 25935219), (30, 17290146), (36, 14408455), (45, 11526764), (60, 8645073), (90, 5763382), (180, 2881691), (263, 1972260), (526, 986130), (789, 657420), (1052, 493065), (1315, 394452), (1578, 328710), (2367, 219140), (2630, 197226), (3156, 164355), (3945, 131484), (4734, 109570), (5260, 98613), (7890, 65742), (9468, 54785), (10957, 47340), (11835, 43828), (15780, 32871), (21914, 23670)]