149113280

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7639}}^1$

素因数の和:7717

約数の個数: 56

約数和(自身を含む): 360944160

約数和(自身を除く): 211830880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4880, 7639, 9760, 15278, 19520, 30556, 38195, 61112, 76390, 122224, 152780, 244448, 305560, 465979, 488896, 611120, 931958, 1222240, 1863916, 2329895, 2444480, 3727832, 4659790, 7455664, 9319580, 14911328, 18639160, 29822656, 37278320, 74556640, 149113280]

約数ペア:

[(1, 149113280), (2, 74556640), (4, 37278320), (5, 29822656), (8, 18639160), (10, 14911328), (16, 9319580), (20, 7455664), (32, 4659790), (40, 3727832), (61, 2444480), (64, 2329895), (80, 1863916), (122, 1222240), (160, 931958), (244, 611120), (305, 488896), (320, 465979), (488, 305560), (610, 244448), (976, 152780), (1220, 122224), (1952, 76390), (2440, 61112), (3904, 38195), (4880, 30556), (7639, 19520), (9760, 15278)]