212638860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{168761}}^1$

素因数の和:168783

約数の個数: 72

約数和(自身を含む): 737152416

約数和(自身を除く): 524513556

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, 168761, 337522, 506283, 675044, 843805, 1012566, 1181327, 1518849, 1687610, 2025132, 2362654, 2531415, 3037698, 3375220, 3543981, 4725308, 5062830, 5906635, 6075396, 7087962, 7594245, 10125660, 10631943, 11813270, 14175924, 15188490, 17719905, 21263886, 23626540, 30376980, 35439810, 42527772, 53159715, 70879620, 106319430, 212638860]

約数ペア:

[(1, 212638860), (2, 106319430), (3, 70879620), (4, 53159715), (5, 42527772), (6, 35439810), (7, 30376980), (9, 23626540), (10, 21263886), (12, 17719905), (14, 15188490), (15, 14175924), (18, 11813270), (20, 10631943), (21, 10125660), (28, 7594245), (30, 7087962), (35, 6075396), (36, 5906635), (42, 5062830), (45, 4725308), (60, 3543981), (63, 3375220), (70, 3037698), (84, 2531415), (90, 2362654), (105, 2025132), (126, 1687610), (140, 1518849), (180, 1181327), (210, 1012566), (252, 843805), (315, 675044), (420, 506283), (630, 337522), (1260, 168761)]