138785120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:748

約数の個数: 96

約数和(自身を含む): 350542080

約数和(自身を除く): 211756960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 71, 76, 80, 95, 142, 152, 160, 190, 284, 304, 355, 380, 568, 608, 643, 710, 760, 1136, 1286, 1349, 1420, 1520, 2272, 2572, 2698, 2840, 3040, 3215, 5144, 5396, 5680, 6430, 6745, 10288, 10792, 11360, 12217, 12860, 13490, 20576, 21584, 24434, 25720, 26980, 43168, 45653, 48868, 51440, 53960, 61085, 91306, 97736, 102880, 107920, 122170, 182612, 195472, 215840, 228265, 244340, 365224, 390944, 456530, 488680, 730448, 867407, 913060, 977360, 1460896, 1734814, 1826120, 1954720, 3469628, 3652240, 4337035, 6939256, 7304480, 8674070, 13878512, 17348140, 27757024, 34696280, 69392560, 138785120]

約数ペア:

[(1, 138785120), (2, 69392560), (4, 34696280), (5, 27757024), (8, 17348140), (10, 13878512), (16, 8674070), (19, 7304480), (20, 6939256), (32, 4337035), (38, 3652240), (40, 3469628), (71, 1954720), (76, 1826120), (80, 1734814), (95, 1460896), (142, 977360), (152, 913060), (160, 867407), (190, 730448), (284, 488680), (304, 456530), (355, 390944), (380, 365224), (568, 244340), (608, 228265), (643, 215840), (710, 195472), (760, 182612), (1136, 122170), (1286, 107920), (1349, 102880), (1420, 97736), (1520, 91306), (2272, 61085), (2572, 53960), (2698, 51440), (2840, 48868), (3040, 45653), (3215, 43168), (5144, 26980), (5396, 25720), (5680, 24434), (6430, 21584), (6745, 20576), (10288, 13490), (10792, 12860), (11360, 12217)]