78064980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{185869}}^1$

素因数の和:185888

約数の個数: 48

約数和(自身を含む): 249809280

約数和(自身を除く): 171744300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 185869, 371738, 557607, 743476, 929345, 1115214, 1301083, 1858690, 2230428, 2602166, 2788035, 3717380, 3903249, 5204332, 5576070, 6505415, 7806498, 11152140, 13010830, 15612996, 19516245, 26021660, 39032490, 78064980]

約数ペア:

[(1, 78064980), (2, 39032490), (3, 26021660), (4, 19516245), (5, 15612996), (6, 13010830), (7, 11152140), (10, 7806498), (12, 6505415), (14, 5576070), (15, 5204332), (20, 3903249), (21, 3717380), (28, 2788035), (30, 2602166), (35, 2230428), (42, 1858690), (60, 1301083), (70, 1115214), (84, 929345), (105, 743476), (140, 557607), (210, 371738), (420, 185869)]