261085968

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:478

約数の個数: 240

約数和(自身を含む): 888276480

約数和(自身を除く): 627190512

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 31, 33, 36, 39, 44, 48, 52, 62, 66, 72, 78, 88, 93, 99, 104, 117, 124, 132, 143, 144, 156, 176, 186, 198, 208, 234, 248, 264, 279, 286, 312, 341, 372, 396, 403, 409, 429, 468, 496, 528, 558, 572, 624, 682, 744, 792, 806, 818, 858, 936, 1023, 1116, 1144, 1209, 1227, 1287, 1364, 1488, 1584, 1612, 1636, 1716, 1872, 2046, 2232, 2288, 2418, 2454, 2574, 2728, 3069, 3224, 3272, 3432, 3627, 3681, 4092, 4433, 4464, 4499, 4836, 4908, 5148, 5317, 5456, 6138, 6448, 6544, 6864, 7254, 7362, 8184, 8866, 8998, 9672, 9816, 10296, 10634, 12276, 12679, 13299, 13497, 14508, 14724, 15951, 16368, 17732, 17996, 19344, 19632, 20592, 21268, 24552, 25358, 26598, 26994, 29016, 29448, 31902, 35464, 35992, 38037, 39897, 40491, 42536, 47853, 49104, 50716, 53196, 53988, 58032, 58487, 58896, 63804, 70928, 71984, 76074, 79794, 80982, 85072, 95706, 101432, 106392, 107976, 114111, 116974, 127608, 139469, 152148, 159588, 161964, 164827, 175461, 191412, 202864, 212784, 215952, 228222, 233948, 255216, 278938, 304296, 319176, 323928, 329654, 350922, 382824, 418407, 456444, 467896, 494481, 526383, 557876, 608592, 638352, 647856, 659308, 701844, 765648, 836814, 912888, 935792, 988962, 1052766, 1115752, 1255221, 1318616, 1403688, 1483443, 1673628, 1813097, 1825776, 1977924, 2105532, 2231504, 2510442, 2637232, 2807376, 2966886, 3347256, 3626194, 3955848, 4211064, 5020884, 5439291, 5933772, 6694512, 7252388, 7911696, 8422128, 10041768, 10878582, 11867544, 14504776, 16317873, 20083536, 21757164, 23735088, 29009552, 32635746, 43514328, 65271492, 87028656, 130542984, 261085968]

約数ペア:

[(1, 261085968), (2, 130542984), (3, 87028656), (4, 65271492), (6, 43514328), (8, 32635746), (9, 29009552), (11, 23735088), (12, 21757164), (13, 20083536), (16, 16317873), (18, 14504776), (22, 11867544), (24, 10878582), (26, 10041768), (31, 8422128), (33, 7911696), (36, 7252388), (39, 6694512), (44, 5933772), (48, 5439291), (52, 5020884), (62, 4211064), (66, 3955848), (72, 3626194), (78, 3347256), (88, 2966886), (93, 2807376), (99, 2637232), (104, 2510442), (117, 2231504), (124, 2105532), (132, 1977924), (143, 1825776), (144, 1813097), (156, 1673628), (176, 1483443), (186, 1403688), (198, 1318616), (208, 1255221), (234, 1115752), (248, 1052766), (264, 988962), (279, 935792), (286, 912888), (312, 836814), (341, 765648), (372, 701844), (396, 659308), (403, 647856), (409, 638352), (429, 608592), (468, 557876), (496, 526383), (528, 494481), (558, 467896), (572, 456444), (624, 418407), (682, 382824), (744, 350922), (792, 329654), (806, 323928), (818, 319176), (858, 304296), (936, 278938), (1023, 255216), (1116, 233948), (1144, 228222), (1209, 215952), (1227, 212784), (1287, 202864), (1364, 191412), (1488, 175461), (1584, 164827), (1612, 161964), (1636, 159588), (1716, 152148), (1872, 139469), (2046, 127608), (2232, 116974), (2288, 114111), (2418, 107976), (2454, 106392), (2574, 101432), (2728, 95706), (3069, 85072), (3224, 80982), (3272, 79794), (3432, 76074), (3627, 71984), (3681, 70928), (4092, 63804), (4433, 58896), (4464, 58487), (4499, 58032), (4836, 53988), (4908, 53196), (5148, 50716), (5317, 49104), (5456, 47853), (6138, 42536), (6448, 40491), (6544, 39897), (6864, 38037), (7254, 35992), (7362, 35464), (8184, 31902), (8866, 29448), (8998, 29016), (9672, 26994), (9816, 26598), (10296, 25358), (10634, 24552), (12276, 21268), (12679, 20592), (13299, 19632), (13497, 19344), (14508, 17996), (14724, 17732), (15951, 16368)]