72291760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:526

約数の個数: 80

約数和(自身を含む): 177577920

約数和(自身を除く): 105286160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 101, 115, 184, 202, 230, 368, 389, 404, 460, 505, 778, 808, 920, 1010, 1556, 1616, 1840, 1945, 2020, 2323, 3112, 3890, 4040, 4646, 6224, 7780, 8080, 8947, 9292, 11615, 15560, 17894, 18584, 23230, 31120, 35788, 37168, 39289, 44735, 46460, 71576, 78578, 89470, 92920, 143152, 157156, 178940, 185840, 196445, 314312, 357880, 392890, 628624, 715760, 785780, 903647, 1571560, 1807294, 3143120, 3614588, 4518235, 7229176, 9036470, 14458352, 18072940, 36145880, 72291760]

約数ペア:

[(1, 72291760), (2, 36145880), (4, 18072940), (5, 14458352), (8, 9036470), (10, 7229176), (16, 4518235), (20, 3614588), (23, 3143120), (40, 1807294), (46, 1571560), (80, 903647), (92, 785780), (101, 715760), (115, 628624), (184, 392890), (202, 357880), (230, 314312), (368, 196445), (389, 185840), (404, 178940), (460, 157156), (505, 143152), (778, 92920), (808, 89470), (920, 78578), (1010, 71576), (1556, 46460), (1616, 44735), (1840, 39289), (1945, 37168), (2020, 35788), (2323, 31120), (3112, 23230), (3890, 18584), (4040, 17894), (4646, 15560), (6224, 11615), (7780, 9292), (8080, 8947)]