821502720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2459}}^1$

素因数の和:2515

約数の個数: 216

約数和(自身を含む): 2941520400

約数和(自身を除く): 2120017680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 128, 144, 145, 160, 174, 180, 192, 232, 240, 256, 261, 288, 290, 320, 348, 360, 384, 435, 464, 480, 522, 576, 580, 640, 696, 720, 768, 870, 928, 960, 1044, 1152, 1160, 1280, 1305, 1392, 1440, 1740, 1856, 1920, 2088, 2304, 2320, 2459, 2610, 2784, 2880, 3480, 3712, 3840, 4176, 4640, 4918, 5220, 5568, 5760, 6960, 7377, 7424, 8352, 9280, 9836, 10440, 11136, 11520, 12295, 13920, 14754, 16704, 18560, 19672, 20880, 22131, 22272, 24590, 27840, 29508, 33408, 36885, 37120, 39344, 41760, 44262, 49180, 55680, 59016, 66816, 71311, 73770, 78688, 83520, 88524, 98360, 110655, 111360, 118032, 142622, 147540, 157376, 167040, 177048, 196720, 213933, 221310, 236064, 285244, 295080, 314752, 334080, 354096, 356555, 393440, 427866, 442620, 472128, 570488, 590160, 629504, 641799, 708192, 713110, 786880, 855732, 885240, 944256, 1069665, 1140976, 1180320, 1283598, 1416384, 1426220, 1573760, 1711464, 1770480, 1888512, 2139330, 2281952, 2360640, 2567196, 2832768, 2852440, 3147520, 3208995, 3422928, 3540960, 4278660, 4563904, 4721280, 5134392, 5665536, 5704880, 6417990, 6845856, 7081920, 8557320, 9127808, 9442560, 10268784, 11409760, 12835980, 13691712, 14163840, 17114640, 18255616, 20537568, 22819520, 25671960, 27383424, 28327680, 34229280, 41075136, 45639040, 51343920, 54766848, 68458560, 82150272, 91278080, 102687840, 136917120, 164300544, 205375680, 273834240, 410751360, 821502720]

約数ペア:

[(1, 821502720), (2, 410751360), (3, 273834240), (4, 205375680), (5, 164300544), (6, 136917120), (8, 102687840), (9, 91278080), (10, 82150272), (12, 68458560), (15, 54766848), (16, 51343920), (18, 45639040), (20, 41075136), (24, 34229280), (29, 28327680), (30, 27383424), (32, 25671960), (36, 22819520), (40, 20537568), (45, 18255616), (48, 17114640), (58, 14163840), (60, 13691712), (64, 12835980), (72, 11409760), (80, 10268784), (87, 9442560), (90, 9127808), (96, 8557320), (116, 7081920), (120, 6845856), (128, 6417990), (144, 5704880), (145, 5665536), (160, 5134392), (174, 4721280), (180, 4563904), (192, 4278660), (232, 3540960), (240, 3422928), (256, 3208995), (261, 3147520), (288, 2852440), (290, 2832768), (320, 2567196), (348, 2360640), (360, 2281952), (384, 2139330), (435, 1888512), (464, 1770480), (480, 1711464), (522, 1573760), (576, 1426220), (580, 1416384), (640, 1283598), (696, 1180320), (720, 1140976), (768, 1069665), (870, 944256), (928, 885240), (960, 855732), (1044, 786880), (1152, 713110), (1160, 708192), (1280, 641799), (1305, 629504), (1392, 590160), (1440, 570488), (1740, 472128), (1856, 442620), (1920, 427866), (2088, 393440), (2304, 356555), (2320, 354096), (2459, 334080), (2610, 314752), (2784, 295080), (2880, 285244), (3480, 236064), (3712, 221310), (3840, 213933), (4176, 196720), (4640, 177048), (4918, 167040), (5220, 157376), (5568, 147540), (5760, 142622), (6960, 118032), (7377, 111360), (7424, 110655), (8352, 98360), (9280, 88524), (9836, 83520), (10440, 78688), (11136, 73770), (11520, 71311), (12295, 66816), (13920, 59016), (14754, 55680), (16704, 49180), (18560, 44262), (19672, 41760), (20880, 39344), (22131, 37120), (22272, 36885), (24590, 33408), (27840, 29508)]