207680880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{811}}^1$

素因数の和:935

約数の個数: 160

約数和(自身を含む): 710454528

約数和(自身を除く): 502773648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 97, 110, 120, 132, 165, 176, 194, 220, 240, 264, 291, 330, 388, 440, 485, 528, 582, 660, 776, 811, 880, 970, 1067, 1164, 1320, 1455, 1552, 1622, 1940, 2134, 2328, 2433, 2640, 2910, 3201, 3244, 3880, 4055, 4268, 4656, 4866, 5335, 5820, 6402, 6488, 7760, 8110, 8536, 8921, 9732, 10670, 11640, 12165, 12804, 12976, 16005, 16220, 17072, 17842, 19464, 21340, 23280, 24330, 25608, 26763, 32010, 32440, 35684, 38928, 42680, 44605, 48660, 51216, 53526, 64020, 64880, 71368, 78667, 85360, 89210, 97320, 107052, 128040, 133815, 142736, 157334, 178420, 194640, 214104, 236001, 256080, 267630, 314668, 356840, 393335, 428208, 472002, 535260, 629336, 713680, 786670, 865337, 944004, 1070520, 1180005, 1258672, 1573340, 1730674, 1888008, 2141040, 2360010, 2596011, 3146680, 3461348, 3776016, 4326685, 4720020, 5192022, 6293360, 6922696, 8653370, 9440040, 10384044, 12980055, 13845392, 17306740, 18880080, 20768088, 25960110, 34613480, 41536176, 51920220, 69226960, 103840440, 207680880]

約数ペア:

[(1, 207680880), (2, 103840440), (3, 69226960), (4, 51920220), (5, 41536176), (6, 34613480), (8, 25960110), (10, 20768088), (11, 18880080), (12, 17306740), (15, 13845392), (16, 12980055), (20, 10384044), (22, 9440040), (24, 8653370), (30, 6922696), (33, 6293360), (40, 5192022), (44, 4720020), (48, 4326685), (55, 3776016), (60, 3461348), (66, 3146680), (80, 2596011), (88, 2360010), (97, 2141040), (110, 1888008), (120, 1730674), (132, 1573340), (165, 1258672), (176, 1180005), (194, 1070520), (220, 944004), (240, 865337), (264, 786670), (291, 713680), (330, 629336), (388, 535260), (440, 472002), (485, 428208), (528, 393335), (582, 356840), (660, 314668), (776, 267630), (811, 256080), (880, 236001), (970, 214104), (1067, 194640), (1164, 178420), (1320, 157334), (1455, 142736), (1552, 133815), (1622, 128040), (1940, 107052), (2134, 97320), (2328, 89210), (2433, 85360), (2640, 78667), (2910, 71368), (3201, 64880), (3244, 64020), (3880, 53526), (4055, 51216), (4268, 48660), (4656, 44605), (4866, 42680), (5335, 38928), (5820, 35684), (6402, 32440), (6488, 32010), (7760, 26763), (8110, 25608), (8536, 24330), (8921, 23280), (9732, 21340), (10670, 19464), (11640, 17842), (12165, 17072), (12804, 16220), (12976, 16005)]