219641520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1032

約数の個数: 240

約数和(自身を含む): 834589440

約数和(自身を除く): 614947920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 49, 56, 57, 60, 70, 76, 80, 84, 95, 98, 105, 112, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 240, 245, 266, 280, 285, 294, 304, 336, 380, 392, 399, 420, 456, 490, 532, 560, 570, 588, 665, 735, 760, 784, 798, 840, 912, 931, 980, 983, 1064, 1140, 1176, 1330, 1470, 1520, 1596, 1680, 1862, 1960, 1966, 1995, 2128, 2280, 2352, 2660, 2793, 2940, 2949, 3192, 3724, 3920, 3932, 3990, 4560, 4655, 4915, 5320, 5586, 5880, 5898, 6384, 6881, 7448, 7864, 7980, 9310, 9830, 10640, 11172, 11760, 11796, 13762, 13965, 14745, 14896, 15728, 15960, 18620, 18677, 19660, 20643, 22344, 23592, 27524, 27930, 29490, 31920, 34405, 37240, 37354, 39320, 41286, 44688, 47184, 48167, 55048, 55860, 56031, 58980, 68810, 74480, 74708, 78640, 82572, 93385, 96334, 103215, 110096, 111720, 112062, 117960, 130739, 137620, 144501, 149416, 165144, 186770, 192668, 206430, 223440, 224124, 235920, 240835, 261478, 275240, 280155, 289002, 298832, 330288, 373540, 385336, 392217, 412860, 448248, 481670, 522956, 550480, 560310, 578004, 653695, 722505, 747080, 770672, 784434, 825720, 896496, 915173, 963340, 1045912, 1120620, 1156008, 1307390, 1445010, 1494160, 1568868, 1651440, 1830346, 1926680, 1961085, 2091824, 2241240, 2312016, 2614780, 2745519, 2890020, 3137736, 3660692, 3853360, 3922170, 4482480, 4575865, 5229560, 5491038, 5780040, 6275472, 7321384, 7844340, 9151730, 10459120, 10982076, 11560080, 13727595, 14642768, 15688680, 18303460, 21964152, 27455190, 31377360, 36606920, 43928304, 54910380, 73213840, 109820760, 219641520]

約数ペア:

[(1, 219641520), (2, 109820760), (3, 73213840), (4, 54910380), (5, 43928304), (6, 36606920), (7, 31377360), (8, 27455190), (10, 21964152), (12, 18303460), (14, 15688680), (15, 14642768), (16, 13727595), (19, 11560080), (20, 10982076), (21, 10459120), (24, 9151730), (28, 7844340), (30, 7321384), (35, 6275472), (38, 5780040), (40, 5491038), (42, 5229560), (48, 4575865), (49, 4482480), (56, 3922170), (57, 3853360), (60, 3660692), (70, 3137736), (76, 2890020), (80, 2745519), (84, 2614780), (95, 2312016), (98, 2241240), (105, 2091824), (112, 1961085), (114, 1926680), (120, 1830346), (133, 1651440), (140, 1568868), (147, 1494160), (152, 1445010), (168, 1307390), (190, 1156008), (196, 1120620), (210, 1045912), (228, 963340), (240, 915173), (245, 896496), (266, 825720), (280, 784434), (285, 770672), (294, 747080), (304, 722505), (336, 653695), (380, 578004), (392, 560310), (399, 550480), (420, 522956), (456, 481670), (490, 448248), (532, 412860), (560, 392217), (570, 385336), (588, 373540), (665, 330288), (735, 298832), (760, 289002), (784, 280155), (798, 275240), (840, 261478), (912, 240835), (931, 235920), (980, 224124), (983, 223440), (1064, 206430), (1140, 192668), (1176, 186770), (1330, 165144), (1470, 149416), (1520, 144501), (1596, 137620), (1680, 130739), (1862, 117960), (1960, 112062), (1966, 111720), (1995, 110096), (2128, 103215), (2280, 96334), (2352, 93385), (2660, 82572), (2793, 78640), (2940, 74708), (2949, 74480), (3192, 68810), (3724, 58980), (3920, 56031), (3932, 55860), (3990, 55048), (4560, 48167), (4655, 47184), (4915, 44688), (5320, 41286), (5586, 39320), (5880, 37354), (5898, 37240), (6384, 34405), (6881, 31920), (7448, 29490), (7864, 27930), (7980, 27524), (9310, 23592), (9830, 22344), (10640, 20643), (11172, 19660), (11760, 18677), (11796, 18620), (13762, 15960), (13965, 15728), (14745, 14896)]