128241420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68947}}^1$

素因数の和:68990

約数の個数: 48

約数和(自身を含む): 370664448

約数和(自身を除く): 242423028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 68947, 137894, 206841, 275788, 344735, 413682, 689470, 827364, 1034205, 1378940, 2068410, 2137357, 4136820, 4274714, 6412071, 8549428, 10686785, 12824142, 21373570, 25648284, 32060355, 42747140, 64120710, 128241420]

約数ペア:

[(1, 128241420), (2, 64120710), (3, 42747140), (4, 32060355), (5, 25648284), (6, 21373570), (10, 12824142), (12, 10686785), (15, 8549428), (20, 6412071), (30, 4274714), (31, 4136820), (60, 2137357), (62, 2068410), (93, 1378940), (124, 1034205), (155, 827364), (186, 689470), (310, 413682), (372, 344735), (465, 275788), (620, 206841), (930, 137894), (1860, 68947)]