19976880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:104

約数の個数: 320

約数和(自身を含む): 82280448

約数和(自身を除く): 62303568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 23, 24, 28, 30, 33, 35, 40, 42, 44, 46, 47, 48, 55, 56, 60, 66, 69, 70, 77, 80, 84, 88, 92, 94, 105, 110, 112, 115, 120, 132, 138, 140, 141, 154, 161, 165, 168, 176, 184, 188, 210, 220, 230, 231, 235, 240, 253, 264, 276, 280, 282, 308, 322, 329, 330, 336, 345, 368, 376, 385, 420, 440, 460, 462, 470, 483, 506, 517, 528, 552, 560, 564, 616, 644, 658, 660, 690, 705, 752, 759, 770, 805, 840, 880, 920, 924, 940, 966, 987, 1012, 1034, 1081, 1104, 1128, 1155, 1232, 1265, 1288, 1316, 1320, 1380, 1410, 1518, 1540, 1551, 1610, 1645, 1680, 1771, 1840, 1848, 1880, 1932, 1974, 2024, 2068, 2162, 2256, 2310, 2415, 2530, 2576, 2585, 2632, 2640, 2760, 2820, 3036, 3080, 3102, 3220, 3243, 3290, 3542, 3619, 3696, 3760, 3795, 3864, 3948, 4048, 4136, 4324, 4620, 4830, 4935, 5060, 5170, 5264, 5313, 5405, 5520, 5640, 6072, 6160, 6204, 6440, 6486, 6580, 7084, 7238, 7567, 7590, 7728, 7755, 7896, 8272, 8648, 8855, 9240, 9660, 9870, 10120, 10340, 10626, 10810, 10857, 11280, 11891, 12144, 12408, 12880, 12972, 13160, 14168, 14476, 15134, 15180, 15510, 15792, 16215, 17296, 17710, 18095, 18480, 19320, 19740, 20240, 20680, 21252, 21620, 21714, 22701, 23782, 24816, 25944, 26320, 26565, 28336, 28952, 30268, 30360, 31020, 32430, 35420, 35673, 36190, 37835, 38640, 39480, 41360, 42504, 43240, 43428, 45402, 47564, 51888, 53130, 54285, 57904, 59455, 60536, 60720, 62040, 64860, 70840, 71346, 72380, 75670, 78960, 83237, 85008, 86480, 86856, 90804, 95128, 106260, 108570, 113505, 118910, 121072, 124080, 129720, 141680, 142692, 144760, 151340, 166474, 173712, 178365, 181608, 190256, 212520, 217140, 227010, 237820, 249711, 259440, 285384, 289520, 302680, 332948, 356730, 363216, 416185, 425040, 434280, 454020, 475640, 499422, 570768, 605360, 665896, 713460, 832370, 868560, 908040, 951280, 998844, 1248555, 1331792, 1426920, 1664740, 1816080, 1997688, 2497110, 2853840, 3329480, 3995376, 4994220, 6658960, 9988440, 19976880]

約数ペア:

[(1, 19976880), (2, 9988440), (3, 6658960), (4, 4994220), (5, 3995376), (6, 3329480), (7, 2853840), (8, 2497110), (10, 1997688), (11, 1816080), (12, 1664740), (14, 1426920), (15, 1331792), (16, 1248555), (20, 998844), (21, 951280), (22, 908040), (23, 868560), (24, 832370), (28, 713460), (30, 665896), (33, 605360), (35, 570768), (40, 499422), (42, 475640), (44, 454020), (46, 434280), (47, 425040), (48, 416185), (55, 363216), (56, 356730), (60, 332948), (66, 302680), (69, 289520), (70, 285384), (77, 259440), (80, 249711), (84, 237820), (88, 227010), (92, 217140), (94, 212520), (105, 190256), (110, 181608), (112, 178365), (115, 173712), (120, 166474), (132, 151340), (138, 144760), (140, 142692), (141, 141680), (154, 129720), (161, 124080), (165, 121072), (168, 118910), (176, 113505), (184, 108570), (188, 106260), (210, 95128), (220, 90804), (230, 86856), (231, 86480), (235, 85008), (240, 83237), (253, 78960), (264, 75670), (276, 72380), (280, 71346), (282, 70840), (308, 64860), (322, 62040), (329, 60720), (330, 60536), (336, 59455), (345, 57904), (368, 54285), (376, 53130), (385, 51888), (420, 47564), (440, 45402), (460, 43428), (462, 43240), (470, 42504), (483, 41360), (506, 39480), (517, 38640), (528, 37835), (552, 36190), (560, 35673), (564, 35420), (616, 32430), (644, 31020), (658, 30360), (660, 30268), (690, 28952), (705, 28336), (752, 26565), (759, 26320), (770, 25944), (805, 24816), (840, 23782), (880, 22701), (920, 21714), (924, 21620), (940, 21252), (966, 20680), (987, 20240), (1012, 19740), (1034, 19320), (1081, 18480), (1104, 18095), (1128, 17710), (1155, 17296), (1232, 16215), (1265, 15792), (1288, 15510), (1316, 15180), (1320, 15134), (1380, 14476), (1410, 14168), (1518, 13160), (1540, 12972), (1551, 12880), (1610, 12408), (1645, 12144), (1680, 11891), (1771, 11280), (1840, 10857), (1848, 10810), (1880, 10626), (1932, 10340), (1974, 10120), (2024, 9870), (2068, 9660), (2162, 9240), (2256, 8855), (2310, 8648), (2415, 8272), (2530, 7896), (2576, 7755), (2585, 7728), (2632, 7590), (2640, 7567), (2760, 7238), (2820, 7084), (3036, 6580), (3080, 6486), (3102, 6440), (3220, 6204), (3243, 6160), (3290, 6072), (3542, 5640), (3619, 5520), (3696, 5405), (3760, 5313), (3795, 5264), (3864, 5170), (3948, 5060), (4048, 4935), (4136, 4830), (4324, 4620)]