728678808

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:831

約数の個数: 256

約数和(自身を含む): 2457907200

約数和(自身を除く): 1729228392

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 27, 31, 33, 36, 39, 44, 52, 54, 62, 66, 72, 78, 88, 93, 99, 104, 108, 117, 124, 132, 143, 156, 186, 198, 216, 234, 248, 264, 279, 286, 297, 312, 341, 351, 372, 396, 403, 429, 468, 558, 572, 594, 682, 702, 744, 761, 792, 806, 837, 858, 936, 1023, 1116, 1144, 1188, 1209, 1287, 1364, 1404, 1522, 1612, 1674, 1716, 2046, 2232, 2283, 2376, 2418, 2574, 2728, 2808, 3044, 3069, 3224, 3348, 3432, 3627, 3861, 4092, 4433, 4566, 4836, 5148, 6088, 6138, 6696, 6849, 7254, 7722, 8184, 8371, 8866, 9132, 9207, 9672, 9893, 10296, 10881, 12276, 13299, 13698, 14508, 15444, 16742, 17732, 18264, 18414, 19786, 20547, 21762, 23591, 24552, 25113, 26598, 27396, 29016, 29679, 30888, 33484, 35464, 36828, 39572, 39897, 41094, 43524, 47182, 50226, 53196, 54792, 59358, 66968, 70773, 73656, 75339, 79144, 79794, 82188, 87048, 89037, 94364, 100452, 106392, 108823, 118716, 119691, 141546, 150678, 159588, 164376, 178074, 188728, 200904, 212319, 217646, 226017, 237432, 239382, 259501, 267111, 283092, 301356, 306683, 319176, 326469, 356148, 424638, 435292, 452034, 478764, 519002, 534222, 566184, 602712, 613366, 636957, 652938, 712296, 778503, 849276, 870584, 904068, 920049, 957528, 979407, 1038004, 1068444, 1226732, 1273914, 1305876, 1557006, 1698552, 1808136, 1840098, 1958814, 2076008, 2136888, 2335509, 2453464, 2547828, 2611752, 2760147, 2938221, 3114012, 3373513, 3680196, 3917628, 4671018, 5095656, 5520294, 5876442, 6228024, 6747026, 7006527, 7360392, 7835256, 8280441, 9342036, 10120539, 11040588, 11752884, 13494052, 14013054, 16560882, 18684072, 20241078, 22081176, 23505768, 26988104, 28026108, 30361617, 33121764, 40482156, 56052216, 60723234, 66243528, 80964312, 91084851, 121446468, 182169702, 242892936, 364339404, 728678808]

約数ペア:

[(1, 728678808), (2, 364339404), (3, 242892936), (4, 182169702), (6, 121446468), (8, 91084851), (9, 80964312), (11, 66243528), (12, 60723234), (13, 56052216), (18, 40482156), (22, 33121764), (24, 30361617), (26, 28026108), (27, 26988104), (31, 23505768), (33, 22081176), (36, 20241078), (39, 18684072), (44, 16560882), (52, 14013054), (54, 13494052), (62, 11752884), (66, 11040588), (72, 10120539), (78, 9342036), (88, 8280441), (93, 7835256), (99, 7360392), (104, 7006527), (108, 6747026), (117, 6228024), (124, 5876442), (132, 5520294), (143, 5095656), (156, 4671018), (186, 3917628), (198, 3680196), (216, 3373513), (234, 3114012), (248, 2938221), (264, 2760147), (279, 2611752), (286, 2547828), (297, 2453464), (312, 2335509), (341, 2136888), (351, 2076008), (372, 1958814), (396, 1840098), (403, 1808136), (429, 1698552), (468, 1557006), (558, 1305876), (572, 1273914), (594, 1226732), (682, 1068444), (702, 1038004), (744, 979407), (761, 957528), (792, 920049), (806, 904068), (837, 870584), (858, 849276), (936, 778503), (1023, 712296), (1116, 652938), (1144, 636957), (1188, 613366), (1209, 602712), (1287, 566184), (1364, 534222), (1404, 519002), (1522, 478764), (1612, 452034), (1674, 435292), (1716, 424638), (2046, 356148), (2232, 326469), (2283, 319176), (2376, 306683), (2418, 301356), (2574, 283092), (2728, 267111), (2808, 259501), (3044, 239382), (3069, 237432), (3224, 226017), (3348, 217646), (3432, 212319), (3627, 200904), (3861, 188728), (4092, 178074), (4433, 164376), (4566, 159588), (4836, 150678), (5148, 141546), (6088, 119691), (6138, 118716), (6696, 108823), (6849, 106392), (7254, 100452), (7722, 94364), (8184, 89037), (8371, 87048), (8866, 82188), (9132, 79794), (9207, 79144), (9672, 75339), (9893, 73656), (10296, 70773), (10881, 66968), (12276, 59358), (13299, 54792), (13698, 53196), (14508, 50226), (15444, 47182), (16742, 43524), (17732, 41094), (18264, 39897), (18414, 39572), (19786, 36828), (20547, 35464), (21762, 33484), (23591, 30888), (24552, 29679), (25113, 29016), (26598, 27396)]