212813160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{253349}}^1$

素因数の和:253370

約数の個数: 64

約数和(自身を含む): 729648000

約数和(自身を除く): 516834840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 253349, 506698, 760047, 1013396, 1266745, 1520094, 1773443, 2026792, 2533490, 3040188, 3546886, 3800235, 5066980, 5320329, 6080376, 7093772, 7600470, 8867215, 10133960, 10640658, 14187544, 15200940, 17734430, 21281316, 26601645, 30401880, 35468860, 42562632, 53203290, 70937720, 106406580, 212813160]

約数ペア:

[(1, 212813160), (2, 106406580), (3, 70937720), (4, 53203290), (5, 42562632), (6, 35468860), (7, 30401880), (8, 26601645), (10, 21281316), (12, 17734430), (14, 15200940), (15, 14187544), (20, 10640658), (21, 10133960), (24, 8867215), (28, 7600470), (30, 7093772), (35, 6080376), (40, 5320329), (42, 5066980), (56, 3800235), (60, 3546886), (70, 3040188), (84, 2533490), (105, 2026792), (120, 1773443), (140, 1520094), (168, 1266745), (210, 1013396), (280, 760047), (420, 506698), (840, 253349)]