660983040

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:525

約数の個数: 216

約数和(自身を含む): 2306821608

約数和(自身を除く): 1645838568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 181, 192, 240, 256, 288, 317, 320, 360, 362, 384, 480, 543, 576, 634, 640, 720, 724, 768, 905, 951, 960, 1086, 1152, 1268, 1280, 1440, 1448, 1585, 1629, 1810, 1902, 1920, 2172, 2304, 2536, 2715, 2853, 2880, 2896, 3170, 3258, 3620, 3804, 3840, 4344, 4755, 5072, 5430, 5706, 5760, 5792, 6340, 6516, 7240, 7608, 8145, 8688, 9510, 10144, 10860, 11412, 11520, 11584, 12680, 13032, 14265, 14480, 15216, 16290, 17376, 19020, 20288, 21720, 22824, 23168, 25360, 26064, 28530, 28960, 30432, 32580, 34752, 38040, 40576, 43440, 45648, 46336, 50720, 52128, 57060, 57377, 57920, 60864, 65160, 69504, 76080, 81152, 86880, 91296, 101440, 104256, 114120, 114754, 115840, 121728, 130320, 139008, 152160, 172131, 173760, 182592, 202880, 208512, 228240, 229508, 231680, 243456, 260640, 286885, 304320, 344262, 347520, 365184, 405760, 417024, 456480, 459016, 516393, 521280, 573770, 608640, 688524, 695040, 730368, 860655, 912960, 918032, 1032786, 1042560, 1147540, 1217280, 1377048, 1721310, 1825920, 1836064, 2065572, 2085120, 2295080, 2581965, 2754096, 3442620, 3651840, 3672128, 4131144, 4590160, 5163930, 5508192, 6885240, 7344256, 8262288, 9180320, 10327860, 11016384, 13770480, 14688512, 16524576, 18360640, 20655720, 22032768, 27540960, 33049152, 36721280, 41311440, 44065536, 55081920, 66098304, 73442560, 82622880, 110163840, 132196608, 165245760, 220327680, 330491520, 660983040]

約数ペア:

[(1, 660983040), (2, 330491520), (3, 220327680), (4, 165245760), (5, 132196608), (6, 110163840), (8, 82622880), (9, 73442560), (10, 66098304), (12, 55081920), (15, 44065536), (16, 41311440), (18, 36721280), (20, 33049152), (24, 27540960), (30, 22032768), (32, 20655720), (36, 18360640), (40, 16524576), (45, 14688512), (48, 13770480), (60, 11016384), (64, 10327860), (72, 9180320), (80, 8262288), (90, 7344256), (96, 6885240), (120, 5508192), (128, 5163930), (144, 4590160), (160, 4131144), (180, 3672128), (181, 3651840), (192, 3442620), (240, 2754096), (256, 2581965), (288, 2295080), (317, 2085120), (320, 2065572), (360, 1836064), (362, 1825920), (384, 1721310), (480, 1377048), (543, 1217280), (576, 1147540), (634, 1042560), (640, 1032786), (720, 918032), (724, 912960), (768, 860655), (905, 730368), (951, 695040), (960, 688524), (1086, 608640), (1152, 573770), (1268, 521280), (1280, 516393), (1440, 459016), (1448, 456480), (1585, 417024), (1629, 405760), (1810, 365184), (1902, 347520), (1920, 344262), (2172, 304320), (2304, 286885), (2536, 260640), (2715, 243456), (2853, 231680), (2880, 229508), (2896, 228240), (3170, 208512), (3258, 202880), (3620, 182592), (3804, 173760), (3840, 172131), (4344, 152160), (4755, 139008), (5072, 130320), (5430, 121728), (5706, 115840), (5760, 114754), (5792, 114120), (6340, 104256), (6516, 101440), (7240, 91296), (7608, 86880), (8145, 81152), (8688, 76080), (9510, 69504), (10144, 65160), (10860, 60864), (11412, 57920), (11520, 57377), (11584, 57060), (12680, 52128), (13032, 50720), (14265, 46336), (14480, 45648), (15216, 43440), (16290, 40576), (17376, 38040), (19020, 34752), (20288, 32580), (21720, 30432), (22824, 28960), (23168, 28530), (25360, 26064)]