400081320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:480

約数の個数: 192

約数和(自身を含む): 1369180800

約数和(自身を除く): 969099480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 211, 229, 230, 276, 345, 360, 414, 422, 458, 460, 552, 633, 687, 690, 828, 844, 916, 920, 1035, 1055, 1145, 1266, 1374, 1380, 1656, 1688, 1832, 1899, 2061, 2070, 2110, 2290, 2532, 2748, 2760, 3165, 3435, 3798, 4122, 4140, 4220, 4580, 4853, 5064, 5267, 5496, 6330, 6870, 7596, 8244, 8280, 8440, 9160, 9495, 9706, 10305, 10534, 12660, 13740, 14559, 15192, 15801, 16488, 18990, 19412, 20610, 21068, 24265, 25320, 26335, 27480, 29118, 31602, 37980, 38824, 41220, 42136, 43677, 47403, 48319, 48530, 52670, 58236, 63204, 72795, 75960, 79005, 82440, 87354, 94806, 96638, 97060, 105340, 116472, 126408, 144957, 145590, 158010, 174708, 189612, 193276, 194120, 210680, 218385, 237015, 241595, 289914, 291180, 316020, 349416, 379224, 386552, 434871, 436770, 474030, 483190, 579828, 582360, 632040, 724785, 869742, 873540, 948060, 966380, 1111337, 1159656, 1449570, 1739484, 1747080, 1896120, 1932760, 2174355, 2222674, 2899140, 3334011, 3478968, 4348710, 4445348, 5556685, 5798280, 6668022, 8697420, 8890696, 10002033, 11113370, 13336044, 16670055, 17394840, 20004066, 22226740, 26672088, 33340110, 40008132, 44453480, 50010165, 66680220, 80016264, 100020330, 133360440, 200040660, 400081320]

約数ペア:

[(1, 400081320), (2, 200040660), (3, 133360440), (4, 100020330), (5, 80016264), (6, 66680220), (8, 50010165), (9, 44453480), (10, 40008132), (12, 33340110), (15, 26672088), (18, 22226740), (20, 20004066), (23, 17394840), (24, 16670055), (30, 13336044), (36, 11113370), (40, 10002033), (45, 8890696), (46, 8697420), (60, 6668022), (69, 5798280), (72, 5556685), (90, 4445348), (92, 4348710), (115, 3478968), (120, 3334011), (138, 2899140), (180, 2222674), (184, 2174355), (207, 1932760), (211, 1896120), (229, 1747080), (230, 1739484), (276, 1449570), (345, 1159656), (360, 1111337), (414, 966380), (422, 948060), (458, 873540), (460, 869742), (552, 724785), (633, 632040), (687, 582360), (690, 579828), (828, 483190), (844, 474030), (916, 436770), (920, 434871), (1035, 386552), (1055, 379224), (1145, 349416), (1266, 316020), (1374, 291180), (1380, 289914), (1656, 241595), (1688, 237015), (1832, 218385), (1899, 210680), (2061, 194120), (2070, 193276), (2110, 189612), (2290, 174708), (2532, 158010), (2748, 145590), (2760, 144957), (3165, 126408), (3435, 116472), (3798, 105340), (4122, 97060), (4140, 96638), (4220, 94806), (4580, 87354), (4853, 82440), (5064, 79005), (5267, 75960), (5496, 72795), (6330, 63204), (6870, 58236), (7596, 52670), (8244, 48530), (8280, 48319), (8440, 47403), (9160, 43677), (9495, 42136), (9706, 41220), (10305, 38824), (10534, 37980), (12660, 31602), (13740, 29118), (14559, 27480), (15192, 26335), (15801, 25320), (16488, 24265), (18990, 21068), (19412, 20610)]