211868520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{22349}}^1$

素因数の和:22442

約数の個数: 64

約数和(自身を含む): 643680000

約数和(自身を除く): 431811480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 22349, 44698, 67047, 89396, 111745, 134094, 178792, 223490, 268188, 335235, 446980, 536376, 670470, 893960, 1340940, 1765571, 2681880, 3531142, 5296713, 7062284, 8827855, 10593426, 14124568, 17655710, 21186852, 26483565, 35311420, 42373704, 52967130, 70622840, 105934260, 211868520]

約数ペア:

[(1, 211868520), (2, 105934260), (3, 70622840), (4, 52967130), (5, 42373704), (6, 35311420), (8, 26483565), (10, 21186852), (12, 17655710), (15, 14124568), (20, 10593426), (24, 8827855), (30, 7062284), (40, 5296713), (60, 3531142), (79, 2681880), (120, 1765571), (158, 1340940), (237, 893960), (316, 670470), (395, 536376), (474, 446980), (632, 335235), (790, 268188), (948, 223490), (1185, 178792), (1580, 134094), (1896, 111745), (2370, 89396), (3160, 67047), (4740, 44698), (9480, 22349)]