656243520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:625

約数の個数: 224

約数和(自身を含む): 2238451200

約数和(自身を除く): 1582207680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 79, 80, 85, 96, 102, 120, 136, 158, 160, 170, 192, 204, 237, 240, 255, 272, 316, 320, 340, 395, 408, 474, 480, 509, 510, 544, 632, 680, 790, 816, 948, 960, 1018, 1020, 1088, 1185, 1264, 1343, 1360, 1527, 1580, 1632, 1896, 2036, 2040, 2370, 2528, 2545, 2686, 2720, 3054, 3160, 3264, 3792, 4029, 4072, 4080, 4740, 5056, 5090, 5372, 5440, 6108, 6320, 6715, 7584, 7635, 8058, 8144, 8160, 8653, 9480, 10180, 10744, 12216, 12640, 13430, 15168, 15270, 16116, 16288, 16320, 17306, 18960, 20145, 20360, 21488, 24432, 25280, 25959, 26860, 30540, 32232, 32576, 34612, 37920, 40211, 40290, 40720, 42976, 43265, 48864, 51918, 53720, 61080, 64464, 69224, 75840, 80422, 80580, 81440, 85952, 86530, 97728, 103836, 107440, 120633, 122160, 128928, 129795, 138448, 160844, 161160, 162880, 173060, 201055, 207672, 214880, 241266, 244320, 257856, 259590, 276896, 321688, 322320, 346120, 402110, 415344, 429760, 482532, 488640, 519180, 553792, 603165, 643376, 644640, 683587, 692240, 804220, 830688, 965064, 1038360, 1206330, 1286752, 1289280, 1367174, 1384480, 1608440, 1661376, 1930128, 2050761, 2076720, 2412660, 2573504, 2734348, 2768960, 3216880, 3417935, 3860256, 4101522, 4153440, 4825320, 5468696, 6433760, 6835870, 7720512, 8203044, 8306880, 9650640, 10253805, 10937392, 12867520, 13671740, 16406088, 19301280, 20507610, 21874784, 27343480, 32812176, 38602560, 41015220, 43749568, 54686960, 65624352, 82030440, 109373920, 131248704, 164060880, 218747840, 328121760, 656243520]

約数ペア:

[(1, 656243520), (2, 328121760), (3, 218747840), (4, 164060880), (5, 131248704), (6, 109373920), (8, 82030440), (10, 65624352), (12, 54686960), (15, 43749568), (16, 41015220), (17, 38602560), (20, 32812176), (24, 27343480), (30, 21874784), (32, 20507610), (34, 19301280), (40, 16406088), (48, 13671740), (51, 12867520), (60, 10937392), (64, 10253805), (68, 9650640), (79, 8306880), (80, 8203044), (85, 7720512), (96, 6835870), (102, 6433760), (120, 5468696), (136, 4825320), (158, 4153440), (160, 4101522), (170, 3860256), (192, 3417935), (204, 3216880), (237, 2768960), (240, 2734348), (255, 2573504), (272, 2412660), (316, 2076720), (320, 2050761), (340, 1930128), (395, 1661376), (408, 1608440), (474, 1384480), (480, 1367174), (509, 1289280), (510, 1286752), (544, 1206330), (632, 1038360), (680, 965064), (790, 830688), (816, 804220), (948, 692240), (960, 683587), (1018, 644640), (1020, 643376), (1088, 603165), (1185, 553792), (1264, 519180), (1343, 488640), (1360, 482532), (1527, 429760), (1580, 415344), (1632, 402110), (1896, 346120), (2036, 322320), (2040, 321688), (2370, 276896), (2528, 259590), (2545, 257856), (2686, 244320), (2720, 241266), (3054, 214880), (3160, 207672), (3264, 201055), (3792, 173060), (4029, 162880), (4072, 161160), (4080, 160844), (4740, 138448), (5056, 129795), (5090, 128928), (5372, 122160), (5440, 120633), (6108, 107440), (6320, 103836), (6715, 97728), (7584, 86530), (7635, 85952), (8058, 81440), (8144, 80580), (8160, 80422), (8653, 75840), (9480, 69224), (10180, 64464), (10744, 61080), (12216, 53720), (12640, 51918), (13430, 48864), (15168, 43265), (15270, 42976), (16116, 40720), (16288, 40290), (16320, 40211), (17306, 37920), (18960, 34612), (20145, 32576), (20360, 32232), (21488, 30540), (24432, 26860), (25280, 25959)]