127431390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:825

約数の個数: 64

約数和(自身を含む): 317509632

約数和(自身を除く): 190078242

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 263, 310, 465, 521, 526, 789, 930, 1042, 1315, 1563, 1578, 2605, 2630, 3126, 3945, 5210, 7815, 7890, 8153, 15630, 16151, 16306, 24459, 32302, 40765, 48453, 48918, 80755, 81530, 96906, 122295, 137023, 161510, 242265, 244590, 274046, 411069, 484530, 685115, 822138, 1370230, 2055345, 4110690, 4247713, 8495426, 12743139, 21238565, 25486278, 42477130, 63715695, 127431390]

約数ペア:

[(1, 127431390), (2, 63715695), (3, 42477130), (5, 25486278), (6, 21238565), (10, 12743139), (15, 8495426), (30, 4247713), (31, 4110690), (62, 2055345), (93, 1370230), (155, 822138), (186, 685115), (263, 484530), (310, 411069), (465, 274046), (521, 244590), (526, 242265), (789, 161510), (930, 137023), (1042, 122295), (1315, 96906), (1563, 81530), (1578, 80755), (2605, 48918), (2630, 48453), (3126, 40765), (3945, 32302), (5210, 24459), (7815, 16306), (7890, 16151), (8153, 15630)]