159278320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 380832768

約数和(自身を除く): 221554448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 127, 244, 254, 257, 305, 488, 508, 514, 610, 635, 976, 1016, 1028, 1220, 1270, 1285, 2032, 2056, 2440, 2540, 2570, 4112, 4880, 5080, 5140, 7747, 10160, 10280, 15494, 15677, 20560, 30988, 31354, 32639, 38735, 61976, 62708, 65278, 77470, 78385, 123952, 125416, 130556, 154940, 156770, 163195, 250832, 261112, 309880, 313540, 326390, 522224, 619760, 627080, 652780, 1254160, 1305560, 1990979, 2611120, 3981958, 7963916, 9954895, 15927832, 19909790, 31855664, 39819580, 79639160, 159278320]

約数ペア:

[(1, 159278320), (2, 79639160), (4, 39819580), (5, 31855664), (8, 19909790), (10, 15927832), (16, 9954895), (20, 7963916), (40, 3981958), (61, 2611120), (80, 1990979), (122, 1305560), (127, 1254160), (244, 652780), (254, 627080), (257, 619760), (305, 522224), (488, 326390), (508, 313540), (514, 309880), (610, 261112), (635, 250832), (976, 163195), (1016, 156770), (1028, 154940), (1220, 130556), (1270, 125416), (1285, 123952), (2032, 78385), (2056, 77470), (2440, 65278), (2540, 62708), (2570, 61976), (4112, 38735), (4880, 32639), (5080, 31354), (5140, 30988), (7747, 20560), (10160, 15677), (10280, 15494)]