637113280

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:462

約数の個数: 112

約数和(自身を含む): 1560185856

約数和(自身を除く): 923072576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 127, 160, 244, 254, 257, 305, 320, 488, 508, 514, 610, 635, 976, 1016, 1028, 1220, 1270, 1285, 1952, 2032, 2056, 2440, 2540, 2570, 3904, 4064, 4112, 4880, 5080, 5140, 7747, 8128, 8224, 9760, 10160, 10280, 15494, 15677, 16448, 19520, 20320, 20560, 30988, 31354, 32639, 38735, 40640, 41120, 61976, 62708, 65278, 77470, 78385, 82240, 123952, 125416, 130556, 154940, 156770, 163195, 247904, 250832, 261112, 309880, 313540, 326390, 495808, 501664, 522224, 619760, 627080, 652780, 1003328, 1044448, 1239520, 1254160, 1305560, 1990979, 2088896, 2479040, 2508320, 2611120, 3981958, 5016640, 5222240, 7963916, 9954895, 10444480, 15927832, 19909790, 31855664, 39819580, 63711328, 79639160, 127422656, 159278320, 318556640, 637113280]

約数ペア:

[(1, 637113280), (2, 318556640), (4, 159278320), (5, 127422656), (8, 79639160), (10, 63711328), (16, 39819580), (20, 31855664), (32, 19909790), (40, 15927832), (61, 10444480), (64, 9954895), (80, 7963916), (122, 5222240), (127, 5016640), (160, 3981958), (244, 2611120), (254, 2508320), (257, 2479040), (305, 2088896), (320, 1990979), (488, 1305560), (508, 1254160), (514, 1239520), (610, 1044448), (635, 1003328), (976, 652780), (1016, 627080), (1028, 619760), (1220, 522224), (1270, 501664), (1285, 495808), (1952, 326390), (2032, 313540), (2056, 309880), (2440, 261112), (2540, 250832), (2570, 247904), (3904, 163195), (4064, 156770), (4112, 154940), (4880, 130556), (5080, 125416), (5140, 123952), (7747, 82240), (8128, 78385), (8224, 77470), (9760, 65278), (10160, 62708), (10280, 61976), (15494, 41120), (15677, 40640), (16448, 38735), (19520, 32639), (20320, 31354), (20560, 30988)]