270245640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{321721}}^1$

素因数の和:321742

約数の個数: 64

約数和(自身を含む): 926559360

約数和(自身を除く): 656313720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 321721, 643442, 965163, 1286884, 1608605, 1930326, 2252047, 2573768, 3217210, 3860652, 4504094, 4825815, 6434420, 6756141, 7721304, 9008188, 9651630, 11260235, 12868840, 13512282, 18016376, 19303260, 22520470, 27024564, 33780705, 38606520, 45040940, 54049128, 67561410, 90081880, 135122820, 270245640]

約数ペア:

[(1, 270245640), (2, 135122820), (3, 90081880), (4, 67561410), (5, 54049128), (6, 45040940), (7, 38606520), (8, 33780705), (10, 27024564), (12, 22520470), (14, 19303260), (15, 18016376), (20, 13512282), (21, 12868840), (24, 11260235), (28, 9651630), (30, 9008188), (35, 7721304), (40, 6756141), (42, 6434420), (56, 4825815), (60, 4504094), (70, 3860652), (84, 3217210), (105, 2573768), (120, 2252047), (140, 1930326), (168, 1608605), (210, 1286884), (280, 965163), (420, 643442), (840, 321721)]