658980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{523}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 2288832

約数和(自身を除く): 1629852

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 523, 630, 1046, 1260, 1569, 2092, 2615, 3138, 3661, 4707, 5230, 6276, 7322, 7845, 9414, 10460, 10983, 14644, 15690, 18305, 18828, 21966, 23535, 31380, 32949, 36610, 43932, 47070, 54915, 65898, 73220, 94140, 109830, 131796, 164745, 219660, 329490, 658980]

約数ペア:

[(1, 658980), (2, 329490), (3, 219660), (4, 164745), (5, 131796), (6, 109830), (7, 94140), (9, 73220), (10, 65898), (12, 54915), (14, 47070), (15, 43932), (18, 36610), (20, 32949), (21, 31380), (28, 23535), (30, 21966), (35, 18828), (36, 18305), (42, 15690), (45, 14644), (60, 10983), (63, 10460), (70, 9414), (84, 7845), (90, 7322), (105, 6276), (126, 5230), (140, 4707), (180, 3661), (210, 3138), (252, 2615), (315, 2092), (420, 1569), (523, 1260), (630, 1046)]