19215840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:94

約数の個数: 288

約数和(自身を含む): 75841920

約数和(自身を除く): 56626080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 43, 48, 49, 56, 57, 60, 70, 76, 80, 84, 86, 95, 96, 98, 105, 112, 114, 120, 129, 133, 140, 147, 152, 160, 168, 172, 190, 196, 210, 215, 224, 228, 240, 245, 258, 266, 280, 285, 294, 301, 304, 336, 344, 380, 392, 399, 420, 430, 456, 480, 490, 516, 532, 560, 570, 588, 602, 608, 645, 665, 672, 688, 735, 760, 784, 798, 817, 840, 860, 903, 912, 931, 980, 1032, 1064, 1120, 1140, 1176, 1204, 1290, 1330, 1376, 1470, 1505, 1520, 1568, 1596, 1634, 1680, 1720, 1806, 1824, 1862, 1960, 1995, 2064, 2107, 2128, 2280, 2352, 2408, 2451, 2580, 2660, 2793, 2940, 3010, 3040, 3192, 3268, 3360, 3440, 3612, 3724, 3920, 3990, 4085, 4128, 4214, 4256, 4515, 4560, 4655, 4704, 4816, 4902, 5160, 5320, 5586, 5719, 5880, 6020, 6321, 6384, 6536, 6880, 7224, 7448, 7840, 7980, 8170, 8428, 9030, 9120, 9310, 9632, 9804, 10320, 10535, 10640, 11172, 11438, 11760, 12040, 12255, 12642, 12768, 13072, 13965, 14448, 14896, 15960, 16340, 16856, 17157, 18060, 18620, 19608, 20640, 21070, 21280, 22344, 22876, 23520, 24080, 24510, 25284, 26144, 27930, 28595, 28896, 29792, 31605, 31920, 32680, 33712, 34314, 36120, 37240, 39216, 40033, 42140, 44688, 45752, 48160, 49020, 50568, 55860, 57190, 63210, 63840, 65360, 67424, 68628, 72240, 74480, 78432, 80066, 84280, 85785, 89376, 91504, 98040, 101136, 111720, 114380, 120099, 126420, 130720, 137256, 144480, 148960, 160132, 168560, 171570, 183008, 196080, 200165, 202272, 223440, 228760, 240198, 252840, 274512, 320264, 337120, 343140, 392160, 400330, 446880, 457520, 480396, 505680, 549024, 600495, 640528, 686280, 800660, 915040, 960792, 1011360, 1200990, 1281056, 1372560, 1601320, 1921584, 2401980, 2745120, 3202640, 3843168, 4803960, 6405280, 9607920, 19215840]

約数ペア:

[(1, 19215840), (2, 9607920), (3, 6405280), (4, 4803960), (5, 3843168), (6, 3202640), (7, 2745120), (8, 2401980), (10, 1921584), (12, 1601320), (14, 1372560), (15, 1281056), (16, 1200990), (19, 1011360), (20, 960792), (21, 915040), (24, 800660), (28, 686280), (30, 640528), (32, 600495), (35, 549024), (38, 505680), (40, 480396), (42, 457520), (43, 446880), (48, 400330), (49, 392160), (56, 343140), (57, 337120), (60, 320264), (70, 274512), (76, 252840), (80, 240198), (84, 228760), (86, 223440), (95, 202272), (96, 200165), (98, 196080), (105, 183008), (112, 171570), (114, 168560), (120, 160132), (129, 148960), (133, 144480), (140, 137256), (147, 130720), (152, 126420), (160, 120099), (168, 114380), (172, 111720), (190, 101136), (196, 98040), (210, 91504), (215, 89376), (224, 85785), (228, 84280), (240, 80066), (245, 78432), (258, 74480), (266, 72240), (280, 68628), (285, 67424), (294, 65360), (301, 63840), (304, 63210), (336, 57190), (344, 55860), (380, 50568), (392, 49020), (399, 48160), (420, 45752), (430, 44688), (456, 42140), (480, 40033), (490, 39216), (516, 37240), (532, 36120), (560, 34314), (570, 33712), (588, 32680), (602, 31920), (608, 31605), (645, 29792), (665, 28896), (672, 28595), (688, 27930), (735, 26144), (760, 25284), (784, 24510), (798, 24080), (817, 23520), (840, 22876), (860, 22344), (903, 21280), (912, 21070), (931, 20640), (980, 19608), (1032, 18620), (1064, 18060), (1120, 17157), (1140, 16856), (1176, 16340), (1204, 15960), (1290, 14896), (1330, 14448), (1376, 13965), (1470, 13072), (1505, 12768), (1520, 12642), (1568, 12255), (1596, 12040), (1634, 11760), (1680, 11438), (1720, 11172), (1806, 10640), (1824, 10535), (1862, 10320), (1960, 9804), (1995, 9632), (2064, 9310), (2107, 9120), (2128, 9030), (2280, 8428), (2352, 8170), (2408, 7980), (2451, 7840), (2580, 7448), (2660, 7224), (2793, 6880), (2940, 6536), (3010, 6384), (3040, 6321), (3192, 6020), (3268, 5880), (3360, 5719), (3440, 5586), (3612, 5320), (3724, 5160), (3920, 4902), (3990, 4816), (4085, 4704), (4128, 4655), (4214, 4560), (4256, 4515)]