321754860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{255361}}^1$

素因数の和:255383

約数の個数: 72

約数和(自身を含む): 1115421216

約数和(自身を除く): 793666356

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, 255361, 510722, 766083, 1021444, 1276805, 1532166, 1787527, 2298249, 2553610, 3064332, 3575054, 3830415, 4596498, 5107220, 5362581, 7150108, 7660830, 8937635, 9192996, 10725162, 11491245, 15321660, 16087743, 17875270, 21450324, 22982490, 26812905, 32175486, 35750540, 45964980, 53625810, 64350972, 80438715, 107251620, 160877430, 321754860]

約数ペア:

[(1, 321754860), (2, 160877430), (3, 107251620), (4, 80438715), (5, 64350972), (6, 53625810), (7, 45964980), (9, 35750540), (10, 32175486), (12, 26812905), (14, 22982490), (15, 21450324), (18, 17875270), (20, 16087743), (21, 15321660), (28, 11491245), (30, 10725162), (35, 9192996), (36, 8937635), (42, 7660830), (45, 7150108), (60, 5362581), (63, 5107220), (70, 4596498), (84, 3830415), (90, 3575054), (105, 3064332), (126, 2553610), (140, 2298249), (180, 1787527), (210, 1532166), (252, 1276805), (315, 1021444), (420, 766083), (630, 510722), (1260, 255361)]