311223040

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 800593920

約数和(自身を除く): 489370880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 67, 76, 80, 95, 128, 134, 152, 160, 190, 191, 256, 268, 304, 320, 335, 380, 382, 536, 608, 640, 670, 760, 764, 955, 1072, 1216, 1273, 1280, 1340, 1520, 1528, 1910, 2144, 2432, 2546, 2680, 3040, 3056, 3629, 3820, 4288, 4864, 5092, 5360, 6080, 6112, 6365, 7258, 7640, 8576, 10184, 10720, 12160, 12224, 12730, 12797, 14516, 15280, 17152, 18145, 20368, 21440, 24320, 24448, 25460, 25594, 29032, 30560, 36290, 40736, 42880, 48896, 50920, 51188, 58064, 61120, 63985, 72580, 81472, 85760, 101840, 102376, 116128, 122240, 127970, 145160, 162944, 203680, 204752, 232256, 243143, 244480, 255940, 290320, 325888, 407360, 409504, 464512, 486286, 511880, 580640, 814720, 819008, 929024, 972572, 1023760, 1161280, 1215715, 1629440, 1638016, 1945144, 2047520, 2322560, 2431430, 3276032, 3890288, 4095040, 4645120, 4862860, 7780576, 8190080, 9725720, 15561152, 16380160, 19451440, 31122304, 38902880, 62244608, 77805760, 155611520, 311223040]

約数ペア:

[(1, 311223040), (2, 155611520), (4, 77805760), (5, 62244608), (8, 38902880), (10, 31122304), (16, 19451440), (19, 16380160), (20, 15561152), (32, 9725720), (38, 8190080), (40, 7780576), (64, 4862860), (67, 4645120), (76, 4095040), (80, 3890288), (95, 3276032), (128, 2431430), (134, 2322560), (152, 2047520), (160, 1945144), (190, 1638016), (191, 1629440), (256, 1215715), (268, 1161280), (304, 1023760), (320, 972572), (335, 929024), (380, 819008), (382, 814720), (536, 580640), (608, 511880), (640, 486286), (670, 464512), (760, 409504), (764, 407360), (955, 325888), (1072, 290320), (1216, 255940), (1273, 244480), (1280, 243143), (1340, 232256), (1520, 204752), (1528, 203680), (1910, 162944), (2144, 145160), (2432, 127970), (2546, 122240), (2680, 116128), (3040, 102376), (3056, 101840), (3629, 85760), (3820, 81472), (4288, 72580), (4864, 63985), (5092, 61120), (5360, 58064), (6080, 51188), (6112, 50920), (6365, 48896), (7258, 42880), (7640, 40736), (8576, 36290), (10184, 30560), (10720, 29032), (12160, 25594), (12224, 25460), (12730, 24448), (12797, 24320), (14516, 21440), (15280, 20368), (17152, 18145)]