77945840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{769}}^1$

素因数の和:970

約数の個数: 80

約数和(自身を含む): 208528320

約数和(自身を除く): 130582480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 181, 280, 362, 560, 724, 769, 905, 1267, 1448, 1538, 1810, 2534, 2896, 3076, 3620, 3845, 5068, 5383, 6152, 6335, 7240, 7690, 10136, 10766, 12304, 12670, 14480, 15380, 20272, 21532, 25340, 26915, 30760, 43064, 50680, 53830, 61520, 86128, 101360, 107660, 139189, 215320, 278378, 430640, 556756, 695945, 974323, 1113512, 1391890, 1948646, 2227024, 2783780, 3897292, 4871615, 5567560, 7794584, 9743230, 11135120, 15589168, 19486460, 38972920, 77945840]

約数ペア:

[(1, 77945840), (2, 38972920), (4, 19486460), (5, 15589168), (7, 11135120), (8, 9743230), (10, 7794584), (14, 5567560), (16, 4871615), (20, 3897292), (28, 2783780), (35, 2227024), (40, 1948646), (56, 1391890), (70, 1113512), (80, 974323), (112, 695945), (140, 556756), (181, 430640), (280, 278378), (362, 215320), (560, 139189), (724, 107660), (769, 101360), (905, 86128), (1267, 61520), (1448, 53830), (1538, 50680), (1810, 43064), (2534, 30760), (2896, 26915), (3076, 25340), (3620, 21532), (3845, 20272), (5068, 15380), (5383, 14480), (6152, 12670), (6335, 12304), (7240, 10766), (7690, 10136)]