2581205328

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2341}}^1$

素因数の和:2418

約数の個数: 240

約数和(自身を含む): 8456680960

約数和(自身を除く): 5875475632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 31, 36, 38, 39, 48, 52, 57, 62, 72, 76, 78, 93, 104, 114, 117, 124, 144, 152, 156, 171, 186, 208, 228, 234, 247, 248, 279, 304, 312, 342, 372, 403, 456, 468, 494, 496, 558, 589, 624, 684, 741, 744, 806, 912, 936, 988, 1116, 1178, 1209, 1368, 1482, 1488, 1612, 1767, 1872, 1976, 2223, 2232, 2341, 2356, 2418, 2736, 2964, 3224, 3534, 3627, 3952, 4446, 4464, 4682, 4712, 4836, 5301, 5928, 6448, 7023, 7068, 7254, 7657, 8892, 9364, 9424, 9672, 10602, 11856, 14046, 14136, 14508, 15314, 17784, 18728, 19344, 21069, 21204, 22971, 28092, 28272, 29016, 30433, 30628, 35568, 37456, 42138, 42408, 44479, 45942, 56184, 58032, 60866, 61256, 68913, 72571, 84276, 84816, 88958, 91299, 91884, 112368, 121732, 122512, 133437, 137826, 145142, 168552, 177916, 182598, 183768, 217713, 243464, 266874, 273897, 275652, 290284, 337104, 355832, 365196, 367536, 400311, 435426, 486928, 533748, 547794, 551304, 578227, 580568, 653139, 711664, 730392, 800622, 870852, 943423, 1067496, 1095588, 1102608, 1156454, 1161136, 1306278, 1378849, 1460784, 1601244, 1734681, 1741704, 1886846, 2134992, 2191176, 2312908, 2612556, 2757698, 2830269, 3202488, 3469362, 3483408, 3773692, 4136547, 4382352, 4625816, 5204043, 5225112, 5515396, 5660538, 6404976, 6938724, 7547384, 8273094, 8490807, 9251632, 10408086, 10450224, 11030792, 11321076, 12409641, 13877448, 15094768, 16546188, 16981614, 17925037, 20816172, 22061584, 22642152, 24819282, 27754896, 33092376, 33963228, 35850074, 41632344, 45284304, 49638564, 53775111, 66184752, 67926456, 71700148, 83264688, 99277128, 107550222, 135852912, 143400296, 161325333, 198554256, 215100444, 286800592, 322650666, 430200888, 645301332, 860401776, 1290602664, 2581205328]

約数ペア:

[(1, 2581205328), (2, 1290602664), (3, 860401776), (4, 645301332), (6, 430200888), (8, 322650666), (9, 286800592), (12, 215100444), (13, 198554256), (16, 161325333), (18, 143400296), (19, 135852912), (24, 107550222), (26, 99277128), (31, 83264688), (36, 71700148), (38, 67926456), (39, 66184752), (48, 53775111), (52, 49638564), (57, 45284304), (62, 41632344), (72, 35850074), (76, 33963228), (78, 33092376), (93, 27754896), (104, 24819282), (114, 22642152), (117, 22061584), (124, 20816172), (144, 17925037), (152, 16981614), (156, 16546188), (171, 15094768), (186, 13877448), (208, 12409641), (228, 11321076), (234, 11030792), (247, 10450224), (248, 10408086), (279, 9251632), (304, 8490807), (312, 8273094), (342, 7547384), (372, 6938724), (403, 6404976), (456, 5660538), (468, 5515396), (494, 5225112), (496, 5204043), (558, 4625816), (589, 4382352), (624, 4136547), (684, 3773692), (741, 3483408), (744, 3469362), (806, 3202488), (912, 2830269), (936, 2757698), (988, 2612556), (1116, 2312908), (1178, 2191176), (1209, 2134992), (1368, 1886846), (1482, 1741704), (1488, 1734681), (1612, 1601244), (1767, 1460784), (1872, 1378849), (1976, 1306278), (2223, 1161136), (2232, 1156454), (2341, 1102608), (2356, 1095588), (2418, 1067496), (2736, 943423), (2964, 870852), (3224, 800622), (3534, 730392), (3627, 711664), (3952, 653139), (4446, 580568), (4464, 578227), (4682, 551304), (4712, 547794), (4836, 533748), (5301, 486928), (5928, 435426), (6448, 400311), (7023, 367536), (7068, 365196), (7254, 355832), (7657, 337104), (8892, 290284), (9364, 275652), (9424, 273897), (9672, 266874), (10602, 243464), (11856, 217713), (14046, 183768), (14136, 182598), (14508, 177916), (15314, 168552), (17784, 145142), (18728, 137826), (19344, 133437), (21069, 122512), (21204, 121732), (22971, 112368), (28092, 91884), (28272, 91299), (29016, 88958), (30433, 84816), (30628, 84276), (35568, 72571), (37456, 68913), (42138, 61256), (42408, 60866), (44479, 58032), (45942, 56184)]