74439040

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:444

約数の個数: 128

約数和(自身を含む): 200491200

約数和(自身を除く): 126052160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 184, 208, 230, 260, 299, 320, 368, 389, 416, 460, 520, 598, 640, 736, 778, 832, 920, 1040, 1196, 1472, 1495, 1556, 1664, 1840, 1945, 2080, 2392, 2944, 2990, 3112, 3680, 3890, 4160, 4784, 5057, 5980, 6224, 7360, 7780, 8320, 8947, 9568, 10114, 11960, 12448, 14720, 15560, 17894, 19136, 20228, 23920, 24896, 25285, 31120, 35788, 38272, 40456, 44735, 47840, 49792, 50570, 62240, 71576, 80912, 89470, 95680, 101140, 116311, 124480, 143152, 161824, 178940, 191360, 202280, 232622, 248960, 286304, 323648, 357880, 404560, 465244, 572608, 581555, 647296, 715760, 809120, 930488, 1145216, 1163110, 1431520, 1618240, 1860976, 2326220, 2863040, 3236480, 3721952, 4652440, 5726080, 7443904, 9304880, 14887808, 18609760, 37219520, 74439040]

約数ペア:

[(1, 74439040), (2, 37219520), (4, 18609760), (5, 14887808), (8, 9304880), (10, 7443904), (13, 5726080), (16, 4652440), (20, 3721952), (23, 3236480), (26, 2863040), (32, 2326220), (40, 1860976), (46, 1618240), (52, 1431520), (64, 1163110), (65, 1145216), (80, 930488), (92, 809120), (104, 715760), (115, 647296), (128, 581555), (130, 572608), (160, 465244), (184, 404560), (208, 357880), (230, 323648), (260, 286304), (299, 248960), (320, 232622), (368, 202280), (389, 191360), (416, 178940), (460, 161824), (520, 143152), (598, 124480), (640, 116311), (736, 101140), (778, 95680), (832, 89470), (920, 80912), (1040, 71576), (1196, 62240), (1472, 50570), (1495, 49792), (1556, 47840), (1664, 44735), (1840, 40456), (1945, 38272), (2080, 35788), (2392, 31120), (2944, 25285), (2990, 24896), (3112, 23920), (3680, 20228), (3890, 19136), (4160, 17894), (4784, 15560), (5057, 14720), (5980, 12448), (6224, 11960), (7360, 10114), (7780, 9568), (8320, 8947)]