30942720

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:125

約数の個数: 240

約数和(自身を含む): 114903360

約数和(自身を除く): 83960640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 79, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 158, 160, 170, 180, 192, 204, 237, 240, 255, 256, 272, 288, 306, 316, 320, 340, 360, 384, 395, 408, 474, 480, 510, 512, 544, 576, 612, 632, 640, 680, 711, 720, 765, 768, 790, 816, 948, 960, 1020, 1088, 1152, 1185, 1224, 1264, 1280, 1343, 1360, 1422, 1440, 1530, 1536, 1580, 1632, 1896, 1920, 2040, 2176, 2304, 2370, 2448, 2528, 2560, 2686, 2720, 2844, 2880, 3060, 3160, 3264, 3555, 3792, 3840, 4029, 4080, 4352, 4608, 4740, 4896, 5056, 5372, 5440, 5688, 5760, 6120, 6320, 6528, 6715, 7110, 7584, 7680, 8058, 8160, 8704, 9480, 9792, 10112, 10744, 10880, 11376, 11520, 12087, 12240, 12640, 13056, 13430, 14220, 15168, 16116, 16320, 18960, 19584, 20145, 20224, 21488, 21760, 22752, 23040, 24174, 24480, 25280, 26112, 26860, 28440, 30336, 32232, 32640, 37920, 39168, 40290, 40448, 42976, 43520, 45504, 48348, 48960, 50560, 53720, 56880, 60435, 60672, 64464, 65280, 75840, 78336, 80580, 85952, 91008, 96696, 97920, 101120, 107440, 113760, 120870, 121344, 128928, 130560, 151680, 161160, 171904, 182016, 193392, 195840, 202240, 214880, 227520, 241740, 257856, 303360, 322320, 343808, 364032, 386784, 391680, 429760, 455040, 483480, 515712, 606720, 644640, 687616, 773568, 859520, 910080, 966960, 1031424, 1289280, 1547136, 1719040, 1820160, 1933920, 2062848, 2578560, 3094272, 3438080, 3867840, 5157120, 6188544, 7735680, 10314240, 15471360, 30942720]

約数ペア:

[(1, 30942720), (2, 15471360), (3, 10314240), (4, 7735680), (5, 6188544), (6, 5157120), (8, 3867840), (9, 3438080), (10, 3094272), (12, 2578560), (15, 2062848), (16, 1933920), (17, 1820160), (18, 1719040), (20, 1547136), (24, 1289280), (30, 1031424), (32, 966960), (34, 910080), (36, 859520), (40, 773568), (45, 687616), (48, 644640), (51, 606720), (60, 515712), (64, 483480), (68, 455040), (72, 429760), (79, 391680), (80, 386784), (85, 364032), (90, 343808), (96, 322320), (102, 303360), (120, 257856), (128, 241740), (136, 227520), (144, 214880), (153, 202240), (158, 195840), (160, 193392), (170, 182016), (180, 171904), (192, 161160), (204, 151680), (237, 130560), (240, 128928), (255, 121344), (256, 120870), (272, 113760), (288, 107440), (306, 101120), (316, 97920), (320, 96696), (340, 91008), (360, 85952), (384, 80580), (395, 78336), (408, 75840), (474, 65280), (480, 64464), (510, 60672), (512, 60435), (544, 56880), (576, 53720), (612, 50560), (632, 48960), (640, 48348), (680, 45504), (711, 43520), (720, 42976), (765, 40448), (768, 40290), (790, 39168), (816, 37920), (948, 32640), (960, 32232), (1020, 30336), (1088, 28440), (1152, 26860), (1185, 26112), (1224, 25280), (1264, 24480), (1280, 24174), (1343, 23040), (1360, 22752), (1422, 21760), (1440, 21488), (1530, 20224), (1536, 20145), (1580, 19584), (1632, 18960), (1896, 16320), (1920, 16116), (2040, 15168), (2176, 14220), (2304, 13430), (2370, 13056), (2448, 12640), (2528, 12240), (2560, 12087), (2686, 11520), (2720, 11376), (2844, 10880), (2880, 10744), (3060, 10112), (3160, 9792), (3264, 9480), (3555, 8704), (3792, 8160), (3840, 8058), (4029, 7680), (4080, 7584), (4352, 7110), (4608, 6715), (4740, 6528), (4896, 6320), (5056, 6120), (5372, 5760), (5440, 5688)]