30990390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:797

約数の個数: 64

約数和(自身を含む): 78520320

約数和(自身を除く): 47529930

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 47, 62, 93, 94, 141, 155, 186, 235, 282, 310, 465, 470, 705, 709, 930, 1410, 1418, 1457, 2127, 2914, 3545, 4254, 4371, 7090, 7285, 8742, 10635, 14570, 21270, 21855, 21979, 33323, 43710, 43958, 65937, 66646, 99969, 109895, 131874, 166615, 199938, 219790, 329685, 333230, 499845, 659370, 999690, 1033013, 2066026, 3099039, 5165065, 6198078, 10330130, 15495195, 30990390]

約数ペア:

[(1, 30990390), (2, 15495195), (3, 10330130), (5, 6198078), (6, 5165065), (10, 3099039), (15, 2066026), (30, 1033013), (31, 999690), (47, 659370), (62, 499845), (93, 333230), (94, 329685), (141, 219790), (155, 199938), (186, 166615), (235, 131874), (282, 109895), (310, 99969), (465, 66646), (470, 65937), (705, 43958), (709, 43710), (930, 33323), (1410, 21979), (1418, 21855), (1457, 21270), (2127, 14570), (2914, 10635), (3545, 8742), (4254, 7285), (4371, 7090)]