28696080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:102

約数の個数: 320

約数和(自身を含む): 114278400

約数和(自身を除く): 85582320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 29, 30, 31, 35, 38, 40, 42, 48, 56, 57, 58, 60, 62, 70, 76, 80, 84, 87, 93, 95, 105, 112, 114, 116, 120, 124, 133, 140, 145, 152, 155, 168, 174, 186, 190, 203, 210, 217, 228, 232, 240, 248, 266, 280, 285, 290, 304, 310, 336, 348, 372, 380, 399, 406, 420, 434, 435, 456, 464, 465, 496, 532, 551, 560, 570, 580, 589, 609, 620, 651, 665, 696, 744, 760, 798, 812, 840, 868, 870, 899, 912, 930, 1015, 1064, 1085, 1102, 1140, 1160, 1178, 1218, 1240, 1302, 1330, 1392, 1488, 1520, 1596, 1624, 1653, 1680, 1736, 1740, 1767, 1798, 1860, 1995, 2030, 2128, 2170, 2204, 2280, 2320, 2356, 2436, 2480, 2604, 2660, 2697, 2755, 2945, 3045, 3192, 3248, 3255, 3306, 3472, 3480, 3534, 3596, 3720, 3857, 3990, 4060, 4123, 4340, 4408, 4495, 4560, 4712, 4872, 5208, 5320, 5394, 5510, 5890, 6090, 6293, 6384, 6510, 6612, 6960, 7068, 7192, 7440, 7714, 7980, 8120, 8246, 8265, 8680, 8816, 8835, 8990, 9424, 9744, 10416, 10640, 10788, 11020, 11571, 11780, 12180, 12369, 12586, 13020, 13224, 13485, 14136, 14384, 15428, 15960, 16240, 16492, 16530, 17081, 17360, 17670, 17980, 18879, 19285, 20615, 21576, 22040, 23142, 23560, 24360, 24738, 25172, 26040, 26448, 26970, 28272, 30856, 31465, 31920, 32984, 33060, 34162, 35340, 35960, 37758, 38570, 41230, 43152, 44080, 46284, 47120, 48720, 49476, 50344, 51243, 52080, 53940, 57855, 61712, 61845, 62930, 65968, 66120, 68324, 70680, 71920, 75516, 77140, 82460, 85405, 92568, 94395, 98952, 100688, 102486, 107880, 115710, 119567, 123690, 125860, 132240, 136648, 141360, 151032, 154280, 164920, 170810, 185136, 188790, 197904, 204972, 215760, 231420, 239134, 247380, 251720, 256215, 273296, 302064, 308560, 329840, 341620, 358701, 377580, 409944, 462840, 478268, 494760, 503440, 512430, 597835, 683240, 717402, 755160, 819888, 925680, 956536, 989520, 1024860, 1195670, 1366480, 1434804, 1510320, 1793505, 1913072, 2049720, 2391340, 2869608, 3587010, 4099440, 4782680, 5739216, 7174020, 9565360, 14348040, 28696080]

約数ペア:

[(1, 28696080), (2, 14348040), (3, 9565360), (4, 7174020), (5, 5739216), (6, 4782680), (7, 4099440), (8, 3587010), (10, 2869608), (12, 2391340), (14, 2049720), (15, 1913072), (16, 1793505), (19, 1510320), (20, 1434804), (21, 1366480), (24, 1195670), (28, 1024860), (29, 989520), (30, 956536), (31, 925680), (35, 819888), (38, 755160), (40, 717402), (42, 683240), (48, 597835), (56, 512430), (57, 503440), (58, 494760), (60, 478268), (62, 462840), (70, 409944), (76, 377580), (80, 358701), (84, 341620), (87, 329840), (93, 308560), (95, 302064), (105, 273296), (112, 256215), (114, 251720), (116, 247380), (120, 239134), (124, 231420), (133, 215760), (140, 204972), (145, 197904), (152, 188790), (155, 185136), (168, 170810), (174, 164920), (186, 154280), (190, 151032), (203, 141360), (210, 136648), (217, 132240), (228, 125860), (232, 123690), (240, 119567), (248, 115710), (266, 107880), (280, 102486), (285, 100688), (290, 98952), (304, 94395), (310, 92568), (336, 85405), (348, 82460), (372, 77140), (380, 75516), (399, 71920), (406, 70680), (420, 68324), (434, 66120), (435, 65968), (456, 62930), (464, 61845), (465, 61712), (496, 57855), (532, 53940), (551, 52080), (560, 51243), (570, 50344), (580, 49476), (589, 48720), (609, 47120), (620, 46284), (651, 44080), (665, 43152), (696, 41230), (744, 38570), (760, 37758), (798, 35960), (812, 35340), (840, 34162), (868, 33060), (870, 32984), (899, 31920), (912, 31465), (930, 30856), (1015, 28272), (1064, 26970), (1085, 26448), (1102, 26040), (1140, 25172), (1160, 24738), (1178, 24360), (1218, 23560), (1240, 23142), (1302, 22040), (1330, 21576), (1392, 20615), (1488, 19285), (1520, 18879), (1596, 17980), (1624, 17670), (1653, 17360), (1680, 17081), (1736, 16530), (1740, 16492), (1767, 16240), (1798, 15960), (1860, 15428), (1995, 14384), (2030, 14136), (2128, 13485), (2170, 13224), (2204, 13020), (2280, 12586), (2320, 12369), (2356, 12180), (2436, 11780), (2480, 11571), (2604, 11020), (2660, 10788), (2697, 10640), (2755, 10416), (2945, 9744), (3045, 9424), (3192, 8990), (3248, 8835), (3255, 8816), (3306, 8680), (3472, 8265), (3480, 8246), (3534, 8120), (3596, 7980), (3720, 7714), (3857, 7440), (3990, 7192), (4060, 7068), (4123, 6960), (4340, 6612), (4408, 6510), (4495, 6384), (4560, 6293), (4712, 6090), (4872, 5890), (5208, 5510), (5320, 5394)]