420005880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{166669}}^1$

素因数の和:166693

約数の個数: 96

約数和(自身を含む): 1560031200

約数和(自身を除く): 1140025320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 166669, 333338, 500007, 666676, 833345, 1000014, 1166683, 1333352, 1500021, 1666690, 2000028, 2333366, 2500035, 3000042, 3333380, 3500049, 4000056, 4666732, 5000070, 5833415, 6000084, 6666760, 7000098, 7500105, 9333464, 10000140, 10500147, 11666830, 12000168, 14000196, 15000210, 17500245, 20000280, 21000294, 23333660, 28000392, 30000420, 35000490, 42000588, 46667320, 52500735, 60000840, 70000980, 84001176, 105001470, 140001960, 210002940, 420005880]

約数ペア:

[(1, 420005880), (2, 210002940), (3, 140001960), (4, 105001470), (5, 84001176), (6, 70000980), (7, 60000840), (8, 52500735), (9, 46667320), (10, 42000588), (12, 35000490), (14, 30000420), (15, 28000392), (18, 23333660), (20, 21000294), (21, 20000280), (24, 17500245), (28, 15000210), (30, 14000196), (35, 12000168), (36, 11666830), (40, 10500147), (42, 10000140), (45, 9333464), (56, 7500105), (60, 7000098), (63, 6666760), (70, 6000084), (72, 5833415), (84, 5000070), (90, 4666732), (105, 4000056), (120, 3500049), (126, 3333380), (140, 3000042), (168, 2500035), (180, 2333366), (210, 2000028), (252, 1666690), (280, 1500021), (315, 1333352), (360, 1166683), (420, 1000014), (504, 833345), (630, 666676), (840, 500007), (1260, 333338), (2520, 166669)]