19157040

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{181}}^1$

素因数の和:217

約数の個数: 240

約数和(自身を含む): 77182560

約数和(自身を除く): 58025520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 181, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 362, 378, 392, 420, 432, 441, 490, 504, 540, 543, 560, 588, 630, 720, 724, 735, 756, 784, 840, 882, 905, 945, 980, 1008, 1080, 1086, 1176, 1260, 1267, 1323, 1448, 1470, 1512, 1629, 1680, 1764, 1810, 1890, 1960, 2160, 2172, 2205, 2352, 2520, 2534, 2646, 2715, 2896, 2940, 3024, 3258, 3528, 3620, 3780, 3801, 3920, 4344, 4410, 4887, 5040, 5068, 5292, 5430, 5880, 6335, 6516, 6615, 7056, 7240, 7560, 7602, 8145, 8688, 8820, 8869, 9774, 10136, 10584, 10860, 11403, 11760, 12670, 13032, 13230, 14480, 15120, 15204, 16290, 17640, 17738, 19005, 19548, 20272, 21168, 21720, 22806, 24435, 25340, 26064, 26460, 26607, 30408, 32580, 34209, 35280, 35476, 38010, 39096, 43440, 44345, 45612, 48870, 50680, 52920, 53214, 57015, 60816, 65160, 68418, 70952, 76020, 78192, 79821, 88690, 91224, 97740, 101360, 105840, 106428, 114030, 130320, 133035, 136836, 141904, 152040, 159642, 171045, 177380, 182448, 195480, 212856, 228060, 239463, 266070, 273672, 304080, 319284, 342090, 354760, 390960, 399105, 425712, 456120, 478926, 532140, 547344, 638568, 684180, 709520, 798210, 912240, 957852, 1064280, 1197315, 1277136, 1368360, 1596420, 1915704, 2128560, 2394630, 2736720, 3192840, 3831408, 4789260, 6385680, 9578520, 19157040]

約数ペア:

[(1, 19157040), (2, 9578520), (3, 6385680), (4, 4789260), (5, 3831408), (6, 3192840), (7, 2736720), (8, 2394630), (9, 2128560), (10, 1915704), (12, 1596420), (14, 1368360), (15, 1277136), (16, 1197315), (18, 1064280), (20, 957852), (21, 912240), (24, 798210), (27, 709520), (28, 684180), (30, 638568), (35, 547344), (36, 532140), (40, 478926), (42, 456120), (45, 425712), (48, 399105), (49, 390960), (54, 354760), (56, 342090), (60, 319284), (63, 304080), (70, 273672), (72, 266070), (80, 239463), (84, 228060), (90, 212856), (98, 195480), (105, 182448), (108, 177380), (112, 171045), (120, 159642), (126, 152040), (135, 141904), (140, 136836), (144, 133035), (147, 130320), (168, 114030), (180, 106428), (181, 105840), (189, 101360), (196, 97740), (210, 91224), (216, 88690), (240, 79821), (245, 78192), (252, 76020), (270, 70952), (280, 68418), (294, 65160), (315, 60816), (336, 57015), (360, 53214), (362, 52920), (378, 50680), (392, 48870), (420, 45612), (432, 44345), (441, 43440), (490, 39096), (504, 38010), (540, 35476), (543, 35280), (560, 34209), (588, 32580), (630, 30408), (720, 26607), (724, 26460), (735, 26064), (756, 25340), (784, 24435), (840, 22806), (882, 21720), (905, 21168), (945, 20272), (980, 19548), (1008, 19005), (1080, 17738), (1086, 17640), (1176, 16290), (1260, 15204), (1267, 15120), (1323, 14480), (1448, 13230), (1470, 13032), (1512, 12670), (1629, 11760), (1680, 11403), (1764, 10860), (1810, 10584), (1890, 10136), (1960, 9774), (2160, 8869), (2172, 8820), (2205, 8688), (2352, 8145), (2520, 7602), (2534, 7560), (2646, 7240), (2715, 7056), (2896, 6615), (2940, 6516), (3024, 6335), (3258, 5880), (3528, 5430), (3620, 5292), (3780, 5068), (3801, 5040), (3920, 4887), (4344, 4410)]