206976420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{164267}}^1$

素因数の和:164289

約数の個数: 72

約数和(自身を含む): 717522624

約数和(自身を除く): 510546204

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, 164267, 328534, 492801, 657068, 821335, 985602, 1149869, 1478403, 1642670, 1971204, 2299738, 2464005, 2956806, 3285340, 3449607, 4599476, 4928010, 5749345, 5913612, 6899214, 7392015, 9856020, 10348821, 11498690, 13798428, 14784030, 17248035, 20697642, 22997380, 29568060, 34496070, 41395284, 51744105, 68992140, 103488210, 206976420]

約数ペア:

[(1, 206976420), (2, 103488210), (3, 68992140), (4, 51744105), (5, 41395284), (6, 34496070), (7, 29568060), (9, 22997380), (10, 20697642), (12, 17248035), (14, 14784030), (15, 13798428), (18, 11498690), (20, 10348821), (21, 9856020), (28, 7392015), (30, 6899214), (35, 5913612), (36, 5749345), (42, 4928010), (45, 4599476), (60, 3449607), (63, 3285340), (70, 2956806), (84, 2464005), (90, 2299738), (105, 1971204), (126, 1642670), (140, 1478403), (180, 1149869), (210, 985602), (252, 821335), (315, 657068), (420, 492801), (630, 328534), (1260, 164267)]