72078448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 157239936

約数和(自身を除く): 85161488

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 73, 94, 101, 104, 146, 188, 202, 208, 292, 376, 404, 584, 611, 752, 808, 949, 1168, 1222, 1313, 1616, 1898, 2444, 2626, 3431, 3796, 4747, 4888, 5252, 6862, 7373, 7592, 9494, 9776, 10504, 13724, 14746, 15184, 18988, 21008, 27448, 29492, 37976, 44603, 54896, 58984, 61711, 75952, 89206, 95849, 117968, 123422, 178412, 191698, 246844, 346531, 356824, 383396, 493688, 693062, 713648, 766792, 987376, 1386124, 1533584, 2772248, 4504903, 5544496, 9009806, 18019612, 36039224, 72078448]

約数ペア:

[(1, 72078448), (2, 36039224), (4, 18019612), (8, 9009806), (13, 5544496), (16, 4504903), (26, 2772248), (47, 1533584), (52, 1386124), (73, 987376), (94, 766792), (101, 713648), (104, 693062), (146, 493688), (188, 383396), (202, 356824), (208, 346531), (292, 246844), (376, 191698), (404, 178412), (584, 123422), (611, 117968), (752, 95849), (808, 89206), (949, 75952), (1168, 61711), (1222, 58984), (1313, 54896), (1616, 44603), (1898, 37976), (2444, 29492), (2626, 27448), (3431, 21008), (3796, 18988), (4747, 15184), (4888, 14746), (5252, 13724), (6862, 10504), (7373, 9776), (7592, 9494)]