311132040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1$

素因数の和:987

約数の個数: 128

約数和(自身を含む): 982195200

約数和(自身を除く): 671063160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 139, 184, 230, 276, 278, 345, 417, 460, 552, 556, 690, 695, 811, 834, 920, 1112, 1380, 1390, 1622, 1668, 2085, 2433, 2760, 2780, 3197, 3244, 3336, 4055, 4170, 4866, 5560, 6394, 6488, 8110, 8340, 9591, 9732, 12165, 12788, 15985, 16220, 16680, 18653, 19182, 19464, 24330, 25576, 31970, 32440, 37306, 38364, 47955, 48660, 55959, 63940, 74612, 76728, 93265, 95910, 97320, 111918, 112729, 127880, 149224, 186530, 191820, 223836, 225458, 279795, 338187, 373060, 383640, 447672, 450916, 559590, 563645, 676374, 746120, 901832, 1119180, 1127290, 1352748, 1690935, 2238360, 2254580, 2592767, 2705496, 3381870, 4509160, 5185534, 6763740, 7778301, 10371068, 12963835, 13527480, 15556602, 20742136, 25927670, 31113204, 38891505, 51855340, 62226408, 77783010, 103710680, 155566020, 311132040]

約数ペア:

[(1, 311132040), (2, 155566020), (3, 103710680), (4, 77783010), (5, 62226408), (6, 51855340), (8, 38891505), (10, 31113204), (12, 25927670), (15, 20742136), (20, 15556602), (23, 13527480), (24, 12963835), (30, 10371068), (40, 7778301), (46, 6763740), (60, 5185534), (69, 4509160), (92, 3381870), (115, 2705496), (120, 2592767), (138, 2254580), (139, 2238360), (184, 1690935), (230, 1352748), (276, 1127290), (278, 1119180), (345, 901832), (417, 746120), (460, 676374), (552, 563645), (556, 559590), (690, 450916), (695, 447672), (811, 383640), (834, 373060), (920, 338187), (1112, 279795), (1380, 225458), (1390, 223836), (1622, 191820), (1668, 186530), (2085, 149224), (2433, 127880), (2760, 112729), (2780, 111918), (3197, 97320), (3244, 95910), (3336, 93265), (4055, 76728), (4170, 74612), (4866, 63940), (5560, 55959), (6394, 48660), (6488, 47955), (8110, 38364), (8340, 37306), (9591, 32440), (9732, 31970), (12165, 25576), (12788, 24330), (15985, 19464), (16220, 19182), (16680, 18653)]