287709760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:181

約数の個数: 224

約数和(自身を含む): 802916352

約数和(自身を除く): 515206592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 32, 40, 46, 52, 62, 64, 65, 80, 92, 97, 104, 115, 124, 130, 155, 160, 184, 194, 208, 230, 248, 260, 299, 310, 320, 368, 388, 403, 416, 460, 485, 496, 520, 598, 620, 713, 736, 776, 806, 832, 920, 970, 992, 1040, 1196, 1240, 1261, 1426, 1472, 1495, 1552, 1612, 1840, 1940, 1984, 2015, 2080, 2231, 2392, 2480, 2522, 2852, 2990, 3007, 3104, 3224, 3565, 3680, 3880, 4030, 4160, 4462, 4784, 4960, 5044, 5704, 5980, 6014, 6208, 6305, 6448, 7130, 7360, 7760, 8060, 8924, 9269, 9568, 9920, 10088, 11155, 11408, 11960, 12028, 12610, 12896, 14260, 15035, 15520, 16120, 17848, 18538, 19136, 20176, 22310, 22816, 23920, 24056, 25220, 25792, 28520, 29003, 30070, 31040, 32240, 35696, 37076, 39091, 40352, 44620, 45632, 46345, 47840, 48112, 50440, 57040, 58006, 60140, 64480, 69161, 71392, 74152, 78182, 80704, 89240, 92690, 95680, 96224, 100880, 114080, 116012, 120280, 128960, 138322, 142784, 145015, 148304, 156364, 178480, 185380, 192448, 195455, 201760, 228160, 232024, 240560, 276644, 290030, 296608, 312728, 345805, 356960, 370760, 390910, 403520, 464048, 481120, 553288, 580060, 593216, 625456, 691610, 713920, 741520, 781820, 899093, 928096, 962240, 1106576, 1160120, 1250912, 1383220, 1483040, 1563640, 1798186, 1856192, 2213152, 2320240, 2501824, 2766440, 2966080, 3127280, 3596372, 4426304, 4495465, 4640480, 5532880, 6254560, 7192744, 8990930, 9280960, 11065760, 12509120, 14385488, 17981860, 22131520, 28770976, 35963720, 57541952, 71927440, 143854880, 287709760]

約数ペア:

[(1, 287709760), (2, 143854880), (4, 71927440), (5, 57541952), (8, 35963720), (10, 28770976), (13, 22131520), (16, 17981860), (20, 14385488), (23, 12509120), (26, 11065760), (31, 9280960), (32, 8990930), (40, 7192744), (46, 6254560), (52, 5532880), (62, 4640480), (64, 4495465), (65, 4426304), (80, 3596372), (92, 3127280), (97, 2966080), (104, 2766440), (115, 2501824), (124, 2320240), (130, 2213152), (155, 1856192), (160, 1798186), (184, 1563640), (194, 1483040), (208, 1383220), (230, 1250912), (248, 1160120), (260, 1106576), (299, 962240), (310, 928096), (320, 899093), (368, 781820), (388, 741520), (403, 713920), (416, 691610), (460, 625456), (485, 593216), (496, 580060), (520, 553288), (598, 481120), (620, 464048), (713, 403520), (736, 390910), (776, 370760), (806, 356960), (832, 345805), (920, 312728), (970, 296608), (992, 290030), (1040, 276644), (1196, 240560), (1240, 232024), (1261, 228160), (1426, 201760), (1472, 195455), (1495, 192448), (1552, 185380), (1612, 178480), (1840, 156364), (1940, 148304), (1984, 145015), (2015, 142784), (2080, 138322), (2231, 128960), (2392, 120280), (2480, 116012), (2522, 114080), (2852, 100880), (2990, 96224), (3007, 95680), (3104, 92690), (3224, 89240), (3565, 80704), (3680, 78182), (3880, 74152), (4030, 71392), (4160, 69161), (4462, 64480), (4784, 60140), (4960, 58006), (5044, 57040), (5704, 50440), (5980, 48112), (6014, 47840), (6208, 46345), (6305, 45632), (6448, 44620), (7130, 40352), (7360, 39091), (7760, 37076), (8060, 35696), (8924, 32240), (9269, 31040), (9568, 30070), (9920, 29003), (10088, 28520), (11155, 25792), (11408, 25220), (11960, 24056), (12028, 23920), (12610, 22816), (12896, 22310), (14260, 20176), (15035, 19136), (15520, 18538), (16120, 17848)]