290040320

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 160

約数和(自身を含む): 751291200

約数和(自身を除く): 461250880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 67, 76, 80, 89, 95, 128, 134, 152, 160, 178, 190, 256, 268, 304, 320, 335, 356, 380, 445, 512, 536, 608, 640, 670, 712, 760, 890, 1072, 1216, 1273, 1280, 1340, 1424, 1520, 1691, 1780, 2144, 2432, 2546, 2560, 2680, 2848, 3040, 3382, 3560, 4288, 4864, 5092, 5360, 5696, 5963, 6080, 6365, 6764, 7120, 8455, 8576, 9728, 10184, 10720, 11392, 11926, 12160, 12730, 13528, 14240, 16910, 17152, 20368, 21440, 22784, 23852, 24320, 25460, 27056, 28480, 29815, 33820, 34304, 40736, 42880, 45568, 47704, 48640, 50920, 54112, 56960, 59630, 67640, 81472, 85760, 95408, 101840, 108224, 113297, 113920, 119260, 135280, 162944, 171520, 190816, 203680, 216448, 226594, 227840, 238520, 270560, 325888, 381632, 407360, 432896, 453188, 477040, 541120, 566485, 651776, 763264, 814720, 865792, 906376, 954080, 1082240, 1132970, 1526528, 1629440, 1812752, 1908160, 2164480, 2265940, 3053056, 3258880, 3625504, 3816320, 4328960, 4531880, 7251008, 7632640, 9063760, 14502016, 15265280, 18127520, 29004032, 36255040, 58008064, 72510080, 145020160, 290040320]

約数ペア:

[(1, 290040320), (2, 145020160), (4, 72510080), (5, 58008064), (8, 36255040), (10, 29004032), (16, 18127520), (19, 15265280), (20, 14502016), (32, 9063760), (38, 7632640), (40, 7251008), (64, 4531880), (67, 4328960), (76, 3816320), (80, 3625504), (89, 3258880), (95, 3053056), (128, 2265940), (134, 2164480), (152, 1908160), (160, 1812752), (178, 1629440), (190, 1526528), (256, 1132970), (268, 1082240), (304, 954080), (320, 906376), (335, 865792), (356, 814720), (380, 763264), (445, 651776), (512, 566485), (536, 541120), (608, 477040), (640, 453188), (670, 432896), (712, 407360), (760, 381632), (890, 325888), (1072, 270560), (1216, 238520), (1273, 227840), (1280, 226594), (1340, 216448), (1424, 203680), (1520, 190816), (1691, 171520), (1780, 162944), (2144, 135280), (2432, 119260), (2546, 113920), (2560, 113297), (2680, 108224), (2848, 101840), (3040, 95408), (3382, 85760), (3560, 81472), (4288, 67640), (4864, 59630), (5092, 56960), (5360, 54112), (5696, 50920), (5963, 48640), (6080, 47704), (6365, 45568), (6764, 42880), (7120, 40736), (8455, 34304), (8576, 33820), (9728, 29815), (10184, 28480), (10720, 27056), (11392, 25460), (11926, 24320), (12160, 23852), (12730, 22784), (13528, 21440), (14240, 20368), (16910, 17152)]