3201280

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 7983864

約数和(自身を除く): 4782584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 61, 64, 80, 82, 122, 128, 160, 164, 205, 244, 256, 305, 320, 328, 410, 488, 610, 640, 656, 820, 976, 1220, 1280, 1312, 1640, 1952, 2440, 2501, 2624, 3280, 3904, 4880, 5002, 5248, 6560, 7808, 9760, 10004, 10496, 12505, 13120, 15616, 19520, 20008, 25010, 26240, 39040, 40016, 50020, 52480, 78080, 80032, 100040, 160064, 200080, 320128, 400160, 640256, 800320, 1600640, 3201280]

約数ペア:

[(1, 3201280), (2, 1600640), (4, 800320), (5, 640256), (8, 400160), (10, 320128), (16, 200080), (20, 160064), (32, 100040), (40, 80032), (41, 78080), (61, 52480), (64, 50020), (80, 40016), (82, 39040), (122, 26240), (128, 25010), (160, 20008), (164, 19520), (205, 15616), (244, 13120), (256, 12505), (305, 10496), (320, 10004), (328, 9760), (410, 7808), (488, 6560), (610, 5248), (640, 5002), (656, 4880), (820, 3904), (976, 3280), (1220, 2624), (1280, 2501), (1312, 2440), (1640, 1952)]