79380

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2$

素因数の和:35

約数の個数: 90

約数和(自身を含む): 289674

約数和(自身を除く): 210294

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 882, 945, 980, 1134, 1260, 1323, 1470, 1620, 1764, 1890, 2205, 2268, 2646, 2835, 2940, 3780, 3969, 4410, 5292, 5670, 6615, 7938, 8820, 11340, 13230, 15876, 19845, 26460, 39690, 79380]

約数ペア:

[(1, 79380), (2, 39690), (3, 26460), (4, 19845), (5, 15876), (6, 13230), (7, 11340), (9, 8820), (10, 7938), (12, 6615), (14, 5670), (15, 5292), (18, 4410), (20, 3969), (21, 3780), (27, 2940), (28, 2835), (30, 2646), (35, 2268), (36, 2205), (42, 1890), (45, 1764), (49, 1620), (54, 1470), (60, 1323), (63, 1260), (70, 1134), (81, 980), (84, 945), (90, 882), (98, 810), (105, 756), (108, 735), (126, 630), (135, 588), (140, 567), (147, 540), (162, 490), (180, 441), (189, 420), (196, 405), (210, 378), (245, 324), (252, 315), (270, 294)]