309301380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{90439}}^1$

素因数の和:90473

約数の個数: 72

約数和(自身を含む): 987604800

約数和(自身を除く): 678303420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 90439, 180878, 271317, 361756, 452195, 542634, 813951, 904390, 1085268, 1356585, 1627902, 1718341, 1808780, 2713170, 3255804, 3436682, 4069755, 5155023, 5426340, 6873364, 8139510, 8591705, 10310046, 15465069, 16279020, 17183410, 20620092, 25775115, 30930138, 34366820, 51550230, 61860276, 77325345, 103100460, 154650690, 309301380]

約数ペア:

[(1, 309301380), (2, 154650690), (3, 103100460), (4, 77325345), (5, 61860276), (6, 51550230), (9, 34366820), (10, 30930138), (12, 25775115), (15, 20620092), (18, 17183410), (19, 16279020), (20, 15465069), (30, 10310046), (36, 8591705), (38, 8139510), (45, 6873364), (57, 5426340), (60, 5155023), (76, 4069755), (90, 3436682), (95, 3255804), (114, 2713170), (171, 1808780), (180, 1718341), (190, 1627902), (228, 1356585), (285, 1085268), (342, 904390), (380, 813951), (570, 542634), (684, 452195), (855, 361756), (1140, 271317), (1710, 180878), (3420, 90439)]