261163344

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:665

約数の個数: 160

約数和(自身を含む): 783949824

約数和(自身を除く): 522786480

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 31, 39, 46, 48, 52, 62, 69, 78, 92, 93, 104, 124, 138, 156, 184, 186, 208, 248, 276, 299, 312, 368, 372, 403, 496, 552, 587, 598, 624, 713, 744, 806, 897, 1104, 1174, 1196, 1209, 1426, 1488, 1612, 1761, 1794, 2139, 2348, 2392, 2418, 2852, 3224, 3522, 3588, 4278, 4696, 4784, 4836, 5704, 6448, 7044, 7176, 7631, 8556, 9269, 9392, 9672, 11408, 13501, 14088, 14352, 15262, 17112, 18197, 18538, 19344, 22893, 27002, 27807, 28176, 30524, 34224, 36394, 37076, 40503, 45786, 54004, 54591, 55614, 61048, 72788, 74152, 81006, 91572, 108008, 109182, 111228, 122096, 145576, 148304, 162012, 175513, 183144, 216016, 218364, 222456, 236561, 291152, 324024, 351026, 366288, 418531, 436728, 444912, 473122, 526539, 648048, 702052, 709683, 837062, 873456, 946244, 1053078, 1255593, 1404104, 1419366, 1674124, 1892488, 2106156, 2511186, 2808208, 2838732, 3348248, 3784976, 4212312, 5022372, 5440903, 5677464, 6696496, 8424624, 10044744, 10881806, 11354928, 16322709, 20089488, 21763612, 32645418, 43527224, 65290836, 87054448, 130581672, 261163344]

約数ペア:

[(1, 261163344), (2, 130581672), (3, 87054448), (4, 65290836), (6, 43527224), (8, 32645418), (12, 21763612), (13, 20089488), (16, 16322709), (23, 11354928), (24, 10881806), (26, 10044744), (31, 8424624), (39, 6696496), (46, 5677464), (48, 5440903), (52, 5022372), (62, 4212312), (69, 3784976), (78, 3348248), (92, 2838732), (93, 2808208), (104, 2511186), (124, 2106156), (138, 1892488), (156, 1674124), (184, 1419366), (186, 1404104), (208, 1255593), (248, 1053078), (276, 946244), (299, 873456), (312, 837062), (368, 709683), (372, 702052), (403, 648048), (496, 526539), (552, 473122), (587, 444912), (598, 436728), (624, 418531), (713, 366288), (744, 351026), (806, 324024), (897, 291152), (1104, 236561), (1174, 222456), (1196, 218364), (1209, 216016), (1426, 183144), (1488, 175513), (1612, 162012), (1761, 148304), (1794, 145576), (2139, 122096), (2348, 111228), (2392, 109182), (2418, 108008), (2852, 91572), (3224, 81006), (3522, 74152), (3588, 72788), (4278, 61048), (4696, 55614), (4784, 54591), (4836, 54004), (5704, 45786), (6448, 40503), (7044, 37076), (7176, 36394), (7631, 34224), (8556, 30524), (9269, 28176), (9392, 27807), (9672, 27002), (11408, 22893), (13501, 19344), (14088, 18538), (14352, 18197), (15262, 17112)]