512554140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{406789}}^1$

素因数の和:406811

約数の個数: 72

約数和(自身を含む): 1776858720

約数和(自身を除く): 1264304580

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, 630, 1260, 406789, 813578, 1220367, 1627156, 2033945, 2440734, 2847523, 3661101, 4067890, 4881468, 5695046, 6101835, 7322202, 8135780, 8542569, 11390092, 12203670, 14237615, 14644404, 17085138, 18305505, 24407340, 25627707, 28475230, 34170276, 36611010, 42712845, 51255414, 56950460, 73222020, 85425690, 102510828, 128138535, 170851380, 256277070, 512554140]

約数ペア:

[(1, 512554140), (2, 256277070), (3, 170851380), (4, 128138535), (5, 102510828), (6, 85425690), (7, 73222020), (9, 56950460), (10, 51255414), (12, 42712845), (14, 36611010), (15, 34170276), (18, 28475230), (20, 25627707), (21, 24407340), (28, 18305505), (30, 17085138), (35, 14644404), (36, 14237615), (42, 12203670), (45, 11390092), (60, 8542569), (63, 8135780), (70, 7322202), (84, 6101835), (90, 5695046), (105, 4881468), (126, 4067890), (140, 3661101), (180, 2847523), (210, 2440734), (252, 2033945), (315, 1627156), (420, 1220367), (630, 813578), (1260, 406789)]