331031680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3889}}^1$

素因数の和:3934

約数の個数: 128

約数和(自身を含む): 952272000

約数和(自身を除く): 621240320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1330, 1520, 2128, 2240, 2432, 2660, 3040, 3889, 4256, 4480, 5320, 6080, 7778, 8512, 10640, 12160, 15556, 17024, 19445, 21280, 27223, 31112, 38890, 42560, 54446, 62224, 73891, 77780, 85120, 108892, 124448, 136115, 147782, 155560, 217784, 248896, 272230, 295564, 311120, 369455, 435568, 497792, 517237, 544460, 591128, 622240, 738910, 871136, 1034474, 1088920, 1182256, 1244480, 1477820, 1742272, 2068948, 2177840, 2364512, 2488960, 2586185, 2955640, 3484544, 4137896, 4355680, 4729024, 5172370, 5911280, 8275792, 8711360, 9458048, 10344740, 11822560, 16551584, 17422720, 20689480, 23645120, 33103168, 41378960, 47290240, 66206336, 82757920, 165515840, 331031680]

約数ペア:

[(1, 331031680), (2, 165515840), (4, 82757920), (5, 66206336), (7, 47290240), (8, 41378960), (10, 33103168), (14, 23645120), (16, 20689480), (19, 17422720), (20, 16551584), (28, 11822560), (32, 10344740), (35, 9458048), (38, 8711360), (40, 8275792), (56, 5911280), (64, 5172370), (70, 4729024), (76, 4355680), (80, 4137896), (95, 3484544), (112, 2955640), (128, 2586185), (133, 2488960), (140, 2364512), (152, 2177840), (160, 2068948), (190, 1742272), (224, 1477820), (266, 1244480), (280, 1182256), (304, 1088920), (320, 1034474), (380, 871136), (448, 738910), (532, 622240), (560, 591128), (608, 544460), (640, 517237), (665, 497792), (760, 435568), (896, 369455), (1064, 311120), (1120, 295564), (1216, 272230), (1330, 248896), (1520, 217784), (2128, 155560), (2240, 147782), (2432, 136115), (2660, 124448), (3040, 108892), (3889, 85120), (4256, 77780), (4480, 73891), (5320, 62224), (6080, 54446), (7778, 42560), (8512, 38890), (10640, 31112), (12160, 27223), (15556, 21280), (17024, 19445)]