201439980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:386

約数の個数: 288

約数和(自身を含む): 763015680

約数和(自身を除く): 561575700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 49, 54, 60, 63, 69, 70, 84, 90, 92, 98, 105, 108, 115, 126, 135, 138, 140, 147, 161, 180, 189, 196, 207, 210, 230, 245, 252, 270, 276, 294, 315, 322, 331, 345, 378, 414, 420, 441, 460, 483, 490, 540, 588, 621, 630, 644, 662, 690, 735, 756, 805, 828, 882, 945, 966, 980, 993, 1035, 1127, 1242, 1260, 1323, 1324, 1380, 1449, 1470, 1610, 1655, 1764, 1890, 1932, 1986, 2070, 2205, 2254, 2317, 2415, 2484, 2646, 2898, 2940, 2979, 3105, 3220, 3310, 3381, 3780, 3972, 4140, 4347, 4410, 4508, 4634, 4830, 4965, 5292, 5635, 5796, 5958, 6210, 6615, 6620, 6762, 6951, 7245, 7613, 8694, 8820, 8937, 9268, 9660, 9930, 10143, 11270, 11585, 11916, 12420, 13230, 13524, 13902, 14490, 14895, 15226, 16219, 16905, 17388, 17874, 19860, 20286, 20853, 21735, 22540, 22839, 23170, 26460, 27804, 28980, 29790, 30429, 30452, 32438, 33810, 34755, 35748, 38065, 40572, 41706, 43470, 44685, 45678, 46340, 48657, 50715, 53291, 59580, 60858, 62559, 64876, 67620, 68517, 69510, 76130, 81095, 83412, 86940, 89370, 91356, 97314, 101430, 104265, 106582, 114195, 121716, 125118, 137034, 139020, 145971, 152145, 152260, 159873, 162190, 178740, 194628, 202860, 205551, 208530, 213164, 228390, 243285, 250236, 266455, 274068, 291942, 304290, 312795, 319746, 324380, 342585, 373037, 411102, 417060, 437913, 456780, 479619, 486570, 532910, 583884, 608580, 625590, 639492, 685170, 729855, 746074, 799365, 822204, 875826, 959238, 973140, 1027755, 1065820, 1119111, 1251180, 1370340, 1438857, 1459710, 1492148, 1598730, 1751652, 1865185, 1918476, 2055510, 2189565, 2238222, 2398095, 2877714, 2919420, 3197460, 3357333, 3730370, 4111020, 4379130, 4476444, 4796190, 5595555, 5755428, 6714666, 7194285, 7460740, 8758260, 9592380, 10071999, 11191110, 13429332, 14388570, 16786665, 20143998, 22382220, 28777140, 33573330, 40287996, 50359995, 67146660, 100719990, 201439980]

約数ペア:

[(1, 201439980), (2, 100719990), (3, 67146660), (4, 50359995), (5, 40287996), (6, 33573330), (7, 28777140), (9, 22382220), (10, 20143998), (12, 16786665), (14, 14388570), (15, 13429332), (18, 11191110), (20, 10071999), (21, 9592380), (23, 8758260), (27, 7460740), (28, 7194285), (30, 6714666), (35, 5755428), (36, 5595555), (42, 4796190), (45, 4476444), (46, 4379130), (49, 4111020), (54, 3730370), (60, 3357333), (63, 3197460), (69, 2919420), (70, 2877714), (84, 2398095), (90, 2238222), (92, 2189565), (98, 2055510), (105, 1918476), (108, 1865185), (115, 1751652), (126, 1598730), (135, 1492148), (138, 1459710), (140, 1438857), (147, 1370340), (161, 1251180), (180, 1119111), (189, 1065820), (196, 1027755), (207, 973140), (210, 959238), (230, 875826), (245, 822204), (252, 799365), (270, 746074), (276, 729855), (294, 685170), (315, 639492), (322, 625590), (331, 608580), (345, 583884), (378, 532910), (414, 486570), (420, 479619), (441, 456780), (460, 437913), (483, 417060), (490, 411102), (540, 373037), (588, 342585), (621, 324380), (630, 319746), (644, 312795), (662, 304290), (690, 291942), (735, 274068), (756, 266455), (805, 250236), (828, 243285), (882, 228390), (945, 213164), (966, 208530), (980, 205551), (993, 202860), (1035, 194628), (1127, 178740), (1242, 162190), (1260, 159873), (1323, 152260), (1324, 152145), (1380, 145971), (1449, 139020), (1470, 137034), (1610, 125118), (1655, 121716), (1764, 114195), (1890, 106582), (1932, 104265), (1986, 101430), (2070, 97314), (2205, 91356), (2254, 89370), (2317, 86940), (2415, 83412), (2484, 81095), (2646, 76130), (2898, 69510), (2940, 68517), (2979, 67620), (3105, 64876), (3220, 62559), (3310, 60858), (3381, 59580), (3780, 53291), (3972, 50715), (4140, 48657), (4347, 46340), (4410, 45678), (4508, 44685), (4634, 43470), (4830, 41706), (4965, 40572), (5292, 38065), (5635, 35748), (5796, 34755), (5958, 33810), (6210, 32438), (6615, 30452), (6620, 30429), (6762, 29790), (6951, 28980), (7245, 27804), (7613, 26460), (8694, 23170), (8820, 22839), (8937, 22540), (9268, 21735), (9660, 20853), (9930, 20286), (10143, 19860), (11270, 17874), (11585, 17388), (11916, 16905), (12420, 16219), (13230, 15226), (13524, 14895), (13902, 14490)]