68976480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 192

約数和(自身を含む): 235146240

約数和(自身を除く): 166169760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 79, 80, 85, 96, 102, 107, 120, 136, 158, 160, 170, 204, 214, 237, 240, 255, 272, 316, 321, 340, 395, 408, 428, 474, 480, 510, 535, 544, 632, 642, 680, 790, 816, 856, 948, 1020, 1070, 1185, 1264, 1284, 1343, 1360, 1580, 1605, 1632, 1712, 1819, 1896, 2040, 2140, 2370, 2528, 2568, 2686, 2720, 3160, 3210, 3424, 3638, 3792, 4029, 4080, 4280, 4740, 5136, 5372, 5457, 6320, 6420, 6715, 7276, 7584, 8058, 8160, 8453, 8560, 9095, 9480, 10272, 10744, 10914, 12640, 12840, 13430, 14552, 16116, 16906, 17120, 18190, 18960, 20145, 21488, 21828, 25359, 25680, 26860, 27285, 29104, 32232, 33812, 36380, 37920, 40290, 42265, 42976, 43656, 50718, 51360, 53720, 54570, 58208, 64464, 67624, 72760, 80580, 84530, 87312, 101436, 107440, 109140, 126795, 128928, 135248, 143701, 145520, 161160, 169060, 174624, 202872, 214880, 218280, 253590, 270496, 287402, 291040, 322320, 338120, 405744, 431103, 436560, 507180, 574804, 644640, 676240, 718505, 811488, 862206, 873120, 1014360, 1149608, 1352480, 1437010, 1724412, 2028720, 2155515, 2299216, 2874020, 3448824, 4057440, 4311030, 4598432, 5748040, 6897648, 8622060, 11496080, 13795296, 17244120, 22992160, 34488240, 68976480]

約数ペア:

[(1, 68976480), (2, 34488240), (3, 22992160), (4, 17244120), (5, 13795296), (6, 11496080), (8, 8622060), (10, 6897648), (12, 5748040), (15, 4598432), (16, 4311030), (17, 4057440), (20, 3448824), (24, 2874020), (30, 2299216), (32, 2155515), (34, 2028720), (40, 1724412), (48, 1437010), (51, 1352480), (60, 1149608), (68, 1014360), (79, 873120), (80, 862206), (85, 811488), (96, 718505), (102, 676240), (107, 644640), (120, 574804), (136, 507180), (158, 436560), (160, 431103), (170, 405744), (204, 338120), (214, 322320), (237, 291040), (240, 287402), (255, 270496), (272, 253590), (316, 218280), (321, 214880), (340, 202872), (395, 174624), (408, 169060), (428, 161160), (474, 145520), (480, 143701), (510, 135248), (535, 128928), (544, 126795), (632, 109140), (642, 107440), (680, 101436), (790, 87312), (816, 84530), (856, 80580), (948, 72760), (1020, 67624), (1070, 64464), (1185, 58208), (1264, 54570), (1284, 53720), (1343, 51360), (1360, 50718), (1580, 43656), (1605, 42976), (1632, 42265), (1712, 40290), (1819, 37920), (1896, 36380), (2040, 33812), (2140, 32232), (2370, 29104), (2528, 27285), (2568, 26860), (2686, 25680), (2720, 25359), (3160, 21828), (3210, 21488), (3424, 20145), (3638, 18960), (3792, 18190), (4029, 17120), (4080, 16906), (4280, 16116), (4740, 14552), (5136, 13430), (5372, 12840), (5457, 12640), (6320, 10914), (6420, 10744), (6715, 10272), (7276, 9480), (7584, 9095), (8058, 8560), (8160, 8453)]