312681420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1789}}^1$

素因数の和:2775

約数の個数: 72

約数和(自身を含む): 949974480

約数和(自身を除く): 637293060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 971, 1789, 1942, 2913, 3578, 3884, 4855, 5367, 5826, 7156, 8739, 8945, 9710, 10734, 11652, 14565, 16101, 17478, 17890, 19420, 21468, 26835, 29130, 32202, 34956, 35780, 43695, 53670, 58260, 64404, 80505, 87390, 107340, 161010, 174780, 322020, 1737119, 3474238, 5211357, 6948476, 8685595, 10422714, 15634071, 17371190, 20845428, 26056785, 31268142, 34742380, 52113570, 62536284, 78170355, 104227140, 156340710, 312681420]

約数ペア:

[(1, 312681420), (2, 156340710), (3, 104227140), (4, 78170355), (5, 62536284), (6, 52113570), (9, 34742380), (10, 31268142), (12, 26056785), (15, 20845428), (18, 17371190), (20, 15634071), (30, 10422714), (36, 8685595), (45, 6948476), (60, 5211357), (90, 3474238), (180, 1737119), (971, 322020), (1789, 174780), (1942, 161010), (2913, 107340), (3578, 87390), (3884, 80505), (4855, 64404), (5367, 58260), (5826, 53670), (7156, 43695), (8739, 35780), (8945, 34956), (9710, 32202), (10734, 29130), (11652, 26835), (14565, 21468), (16101, 19420), (17478, 17890)]