20363040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:279

約数の個数: 144

約数和(自身を含む): 70761600

約数和(自身を除く): 50398560

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, 72, 79, 80, 90, 96, 120, 144, 158, 160, 179, 180, 237, 240, 288, 316, 358, 360, 395, 474, 480, 537, 632, 711, 716, 720, 790, 895, 948, 1074, 1185, 1264, 1422, 1432, 1440, 1580, 1611, 1790, 1896, 2148, 2370, 2528, 2685, 2844, 2864, 3160, 3222, 3555, 3580, 3792, 4296, 4740, 5370, 5688, 5728, 6320, 6444, 7110, 7160, 7584, 8055, 8592, 9480, 10740, 11376, 12640, 12888, 14141, 14220, 14320, 16110, 17184, 18960, 21480, 22752, 25776, 28282, 28440, 28640, 32220, 37920, 42423, 42960, 51552, 56564, 56880, 64440, 70705, 84846, 85920, 113128, 113760, 127269, 128880, 141410, 169692, 212115, 226256, 254538, 257760, 282820, 339384, 424230, 452512, 509076, 565640, 636345, 678768, 848460, 1018152, 1131280, 1272690, 1357536, 1696920, 2036304, 2262560, 2545380, 3393840, 4072608, 5090760, 6787680, 10181520, 20363040]

約数ペア:

[(1, 20363040), (2, 10181520), (3, 6787680), (4, 5090760), (5, 4072608), (6, 3393840), (8, 2545380), (9, 2262560), (10, 2036304), (12, 1696920), (15, 1357536), (16, 1272690), (18, 1131280), (20, 1018152), (24, 848460), (30, 678768), (32, 636345), (36, 565640), (40, 509076), (45, 452512), (48, 424230), (60, 339384), (72, 282820), (79, 257760), (80, 254538), (90, 226256), (96, 212115), (120, 169692), (144, 141410), (158, 128880), (160, 127269), (179, 113760), (180, 113128), (237, 85920), (240, 84846), (288, 70705), (316, 64440), (358, 56880), (360, 56564), (395, 51552), (474, 42960), (480, 42423), (537, 37920), (632, 32220), (711, 28640), (716, 28440), (720, 28282), (790, 25776), (895, 22752), (948, 21480), (1074, 18960), (1185, 17184), (1264, 16110), (1422, 14320), (1432, 14220), (1440, 14141), (1580, 12888), (1611, 12640), (1790, 11376), (1896, 10740), (2148, 9480), (2370, 8592), (2528, 8055), (2685, 7584), (2844, 7160), (2864, 7110), (3160, 6444), (3222, 6320), (3555, 5728), (3580, 5688), (3792, 5370), (4296, 4740)]