438221120

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:448

約数の個数: 112

約数和(自身を含む): 1081479168

約数和(自身を除く): 643258048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 127, 160, 164, 205, 254, 263, 320, 328, 410, 508, 526, 635, 656, 820, 1016, 1052, 1270, 1312, 1315, 1640, 2032, 2104, 2540, 2624, 2630, 3280, 4064, 4208, 5080, 5207, 5260, 6560, 8128, 8416, 10160, 10414, 10520, 10783, 13120, 16832, 20320, 20828, 21040, 21566, 26035, 33401, 40640, 41656, 42080, 43132, 52070, 53915, 66802, 83312, 84160, 86264, 104140, 107830, 133604, 166624, 167005, 172528, 208280, 215660, 267208, 333248, 334010, 345056, 416560, 431320, 534416, 668020, 690112, 833120, 862640, 1068832, 1336040, 1369441, 1666240, 1725280, 2137664, 2672080, 2738882, 3450560, 5344160, 5477764, 6847205, 10688320, 10955528, 13694410, 21911056, 27388820, 43822112, 54777640, 87644224, 109555280, 219110560, 438221120]

約数ペア:

[(1, 438221120), (2, 219110560), (4, 109555280), (5, 87644224), (8, 54777640), (10, 43822112), (16, 27388820), (20, 21911056), (32, 13694410), (40, 10955528), (41, 10688320), (64, 6847205), (80, 5477764), (82, 5344160), (127, 3450560), (160, 2738882), (164, 2672080), (205, 2137664), (254, 1725280), (263, 1666240), (320, 1369441), (328, 1336040), (410, 1068832), (508, 862640), (526, 833120), (635, 690112), (656, 668020), (820, 534416), (1016, 431320), (1052, 416560), (1270, 345056), (1312, 334010), (1315, 333248), (1640, 267208), (2032, 215660), (2104, 208280), (2540, 172528), (2624, 167005), (2630, 166624), (3280, 133604), (4064, 107830), (4208, 104140), (5080, 86264), (5207, 84160), (5260, 83312), (6560, 66802), (8128, 53915), (8416, 52070), (10160, 43132), (10414, 42080), (10520, 41656), (10783, 40640), (13120, 33401), (16832, 26035), (20320, 21566), (20828, 21040)]