291657240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:423

約数の個数: 256

約数和(自身を含む): 1122508800

約数和(自身を除く): 830851560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 173, 180, 189, 210, 216, 223, 252, 270, 280, 315, 346, 360, 378, 420, 446, 504, 519, 540, 630, 669, 692, 756, 840, 865, 892, 945, 1038, 1080, 1115, 1211, 1260, 1338, 1384, 1512, 1557, 1561, 1730, 1784, 1890, 2007, 2076, 2230, 2422, 2520, 2595, 2676, 3114, 3122, 3345, 3460, 3633, 3780, 4014, 4152, 4460, 4671, 4683, 4844, 5190, 5352, 6021, 6055, 6228, 6244, 6690, 6920, 7266, 7560, 7785, 7805, 8028, 8920, 9342, 9366, 9688, 10035, 10380, 10899, 12042, 12110, 12456, 12488, 13380, 14049, 14532, 15570, 15610, 16056, 18165, 18684, 18732, 20070, 20760, 21798, 23355, 23415, 24084, 24220, 26760, 28098, 29064, 30105, 31140, 31220, 32697, 36330, 37368, 37464, 38579, 40140, 42147, 43596, 46710, 46830, 48168, 48440, 54495, 56196, 60210, 62280, 62440, 65394, 70245, 72660, 77158, 80280, 84294, 87192, 93420, 93660, 108990, 112392, 115737, 120420, 130788, 140490, 145320, 154316, 163485, 168588, 186840, 187320, 192895, 210735, 217980, 231474, 240840, 261576, 270053, 280980, 308632, 326970, 337176, 347211, 385790, 421470, 435960, 462948, 540106, 561960, 578685, 653940, 694422, 771580, 810159, 842940, 925896, 1041633, 1080212, 1157370, 1307880, 1350265, 1388844, 1543160, 1620318, 1685880, 1736055, 2083266, 2160424, 2314740, 2430477, 2700530, 2777688, 3240636, 3472110, 4050795, 4166532, 4629480, 4860954, 5208165, 5401060, 6481272, 6944220, 7291431, 8101590, 8333064, 9721908, 10416330, 10802120, 12152385, 13888440, 14582862, 16203180, 19443816, 20832660, 24304770, 29165724, 32406360, 36457155, 41665320, 48609540, 58331448, 72914310, 97219080, 145828620, 291657240]

約数ペア:

[(1, 291657240), (2, 145828620), (3, 97219080), (4, 72914310), (5, 58331448), (6, 48609540), (7, 41665320), (8, 36457155), (9, 32406360), (10, 29165724), (12, 24304770), (14, 20832660), (15, 19443816), (18, 16203180), (20, 14582862), (21, 13888440), (24, 12152385), (27, 10802120), (28, 10416330), (30, 9721908), (35, 8333064), (36, 8101590), (40, 7291431), (42, 6944220), (45, 6481272), (54, 5401060), (56, 5208165), (60, 4860954), (63, 4629480), (70, 4166532), (72, 4050795), (84, 3472110), (90, 3240636), (105, 2777688), (108, 2700530), (120, 2430477), (126, 2314740), (135, 2160424), (140, 2083266), (168, 1736055), (173, 1685880), (180, 1620318), (189, 1543160), (210, 1388844), (216, 1350265), (223, 1307880), (252, 1157370), (270, 1080212), (280, 1041633), (315, 925896), (346, 842940), (360, 810159), (378, 771580), (420, 694422), (446, 653940), (504, 578685), (519, 561960), (540, 540106), (630, 462948), (669, 435960), (692, 421470), (756, 385790), (840, 347211), (865, 337176), (892, 326970), (945, 308632), (1038, 280980), (1080, 270053), (1115, 261576), (1211, 240840), (1260, 231474), (1338, 217980), (1384, 210735), (1512, 192895), (1557, 187320), (1561, 186840), (1730, 168588), (1784, 163485), (1890, 154316), (2007, 145320), (2076, 140490), (2230, 130788), (2422, 120420), (2520, 115737), (2595, 112392), (2676, 108990), (3114, 93660), (3122, 93420), (3345, 87192), (3460, 84294), (3633, 80280), (3780, 77158), (4014, 72660), (4152, 70245), (4460, 65394), (4671, 62440), (4683, 62280), (4844, 60210), (5190, 56196), (5352, 54495), (6021, 48440), (6055, 48168), (6228, 46830), (6244, 46710), (6690, 43596), (6920, 42147), (7266, 40140), (7560, 38579), (7785, 37464), (7805, 37368), (8028, 36330), (8920, 32697), (9342, 31220), (9366, 31140), (9688, 30105), (10035, 29064), (10380, 28098), (10899, 26760), (12042, 24220), (12110, 24084), (12456, 23415), (12488, 23355), (13380, 21798), (14049, 20760), (14532, 20070), (15570, 18732), (15610, 18684), (16056, 18165)]