998321520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:744

約数の個数: 320

約数和(自身を含む): 3782615040

約数和(自身を除く): 2784293520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 31, 35, 40, 42, 48, 56, 58, 60, 62, 70, 80, 84, 87, 93, 105, 112, 116, 120, 124, 140, 145, 155, 168, 174, 186, 203, 210, 217, 232, 240, 248, 280, 290, 310, 336, 348, 372, 406, 420, 434, 435, 464, 465, 496, 560, 580, 609, 620, 651, 661, 696, 744, 812, 840, 868, 870, 899, 930, 1015, 1085, 1160, 1218, 1240, 1302, 1322, 1392, 1488, 1624, 1680, 1736, 1740, 1798, 1860, 1983, 2030, 2170, 2320, 2436, 2480, 2604, 2644, 2697, 3045, 3248, 3255, 3305, 3472, 3480, 3596, 3720, 3966, 4060, 4340, 4495, 4627, 4872, 5208, 5288, 5394, 6090, 6293, 6510, 6610, 6960, 7192, 7440, 7932, 8120, 8680, 8990, 9254, 9744, 9915, 10416, 10576, 10788, 12180, 12586, 13020, 13220, 13485, 13881, 14384, 15864, 16240, 17360, 17980, 18508, 18879, 19169, 19830, 20491, 21576, 23135, 24360, 25172, 26040, 26440, 26970, 27762, 31465, 31728, 35960, 37016, 37758, 38338, 39660, 40982, 43152, 46270, 48720, 50344, 52080, 52880, 53940, 55524, 57507, 61473, 62930, 69405, 71920, 74032, 75516, 76676, 79320, 81964, 92540, 94395, 95845, 100688, 102455, 107880, 111048, 115014, 122946, 125860, 134183, 138810, 143437, 151032, 153352, 158640, 163928, 185080, 188790, 191690, 204910, 215760, 222096, 230028, 245892, 251720, 268366, 277620, 286874, 287535, 302064, 306704, 307365, 327856, 370160, 377580, 383380, 402549, 409820, 430311, 460056, 491784, 503440, 536732, 555240, 573748, 575070, 594239, 614730, 670915, 717185, 755160, 766760, 805098, 819640, 860622, 920112, 983568, 1073464, 1110480, 1147496, 1150140, 1188478, 1229460, 1341830, 1434370, 1510320, 1533520, 1610196, 1639280, 1721244, 1782717, 2012745, 2146928, 2151555, 2294992, 2300280, 2376956, 2458920, 2683660, 2868740, 2971195, 3220392, 3442488, 3565434, 4025490, 4159673, 4303110, 4600560, 4753912, 4917840, 5367320, 5737480, 5942390, 6440784, 6884976, 7130868, 8050980, 8319346, 8606220, 8913585, 9507824, 10734640, 11474960, 11884780, 12479019, 14261736, 16101960, 16638692, 17212440, 17827170, 20798365, 23769560, 24958038, 28523472, 32203920, 33277384, 34424880, 35654340, 41596730, 47539120, 49916076, 62395095, 66554768, 71308680, 83193460, 99832152, 124790190, 142617360, 166386920, 199664304, 249580380, 332773840, 499160760, 998321520]

約数ペア:

[(1, 998321520), (2, 499160760), (3, 332773840), (4, 249580380), (5, 199664304), (6, 166386920), (7, 142617360), (8, 124790190), (10, 99832152), (12, 83193460), (14, 71308680), (15, 66554768), (16, 62395095), (20, 49916076), (21, 47539120), (24, 41596730), (28, 35654340), (29, 34424880), (30, 33277384), (31, 32203920), (35, 28523472), (40, 24958038), (42, 23769560), (48, 20798365), (56, 17827170), (58, 17212440), (60, 16638692), (62, 16101960), (70, 14261736), (80, 12479019), (84, 11884780), (87, 11474960), (93, 10734640), (105, 9507824), (112, 8913585), (116, 8606220), (120, 8319346), (124, 8050980), (140, 7130868), (145, 6884976), (155, 6440784), (168, 5942390), (174, 5737480), (186, 5367320), (203, 4917840), (210, 4753912), (217, 4600560), (232, 4303110), (240, 4159673), (248, 4025490), (280, 3565434), (290, 3442488), (310, 3220392), (336, 2971195), (348, 2868740), (372, 2683660), (406, 2458920), (420, 2376956), (434, 2300280), (435, 2294992), (464, 2151555), (465, 2146928), (496, 2012745), (560, 1782717), (580, 1721244), (609, 1639280), (620, 1610196), (651, 1533520), (661, 1510320), (696, 1434370), (744, 1341830), (812, 1229460), (840, 1188478), (868, 1150140), (870, 1147496), (899, 1110480), (930, 1073464), (1015, 983568), (1085, 920112), (1160, 860622), (1218, 819640), (1240, 805098), (1302, 766760), (1322, 755160), (1392, 717185), (1488, 670915), (1624, 614730), (1680, 594239), (1736, 575070), (1740, 573748), (1798, 555240), (1860, 536732), (1983, 503440), (2030, 491784), (2170, 460056), (2320, 430311), (2436, 409820), (2480, 402549), (2604, 383380), (2644, 377580), (2697, 370160), (3045, 327856), (3248, 307365), (3255, 306704), (3305, 302064), (3472, 287535), (3480, 286874), (3596, 277620), (3720, 268366), (3966, 251720), (4060, 245892), (4340, 230028), (4495, 222096), (4627, 215760), (4872, 204910), (5208, 191690), (5288, 188790), (5394, 185080), (6090, 163928), (6293, 158640), (6510, 153352), (6610, 151032), (6960, 143437), (7192, 138810), (7440, 134183), (7932, 125860), (8120, 122946), (8680, 115014), (8990, 111048), (9254, 107880), (9744, 102455), (9915, 100688), (10416, 95845), (10576, 94395), (10788, 92540), (12180, 81964), (12586, 79320), (13020, 76676), (13220, 75516), (13485, 74032), (13881, 71920), (14384, 69405), (15864, 62930), (16240, 61473), (17360, 57507), (17980, 55524), (18508, 53940), (18879, 52880), (19169, 52080), (19830, 50344), (20491, 48720), (21576, 46270), (23135, 43152), (24360, 40982), (25172, 39660), (26040, 38338), (26440, 37758), (26970, 37016), (27762, 35960), (31465, 31728)]