8601320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 25401600

約数和(自身を除く): 16800280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 139, 140, 170, 182, 221, 238, 260, 278, 280, 340, 364, 442, 455, 476, 520, 556, 595, 680, 695, 728, 884, 910, 952, 973, 1105, 1112, 1190, 1390, 1547, 1768, 1807, 1820, 1946, 2210, 2363, 2380, 2780, 3094, 3614, 3640, 3892, 4420, 4726, 4760, 4865, 5560, 6188, 7228, 7735, 7784, 8840, 9035, 9452, 9730, 11815, 12376, 12649, 14456, 15470, 16541, 18070, 18904, 19460, 23630, 25298, 30719, 30940, 33082, 36140, 38920, 47260, 50596, 61438, 61880, 63245, 66164, 72280, 82705, 94520, 101192, 122876, 126490, 132328, 153595, 165410, 215033, 245752, 252980, 307190, 330820, 430066, 505960, 614380, 661640, 860132, 1075165, 1228760, 1720264, 2150330, 4300660, 8601320]

約数ペア:

[(1, 8601320), (2, 4300660), (4, 2150330), (5, 1720264), (7, 1228760), (8, 1075165), (10, 860132), (13, 661640), (14, 614380), (17, 505960), (20, 430066), (26, 330820), (28, 307190), (34, 252980), (35, 245752), (40, 215033), (52, 165410), (56, 153595), (65, 132328), (68, 126490), (70, 122876), (85, 101192), (91, 94520), (104, 82705), (119, 72280), (130, 66164), (136, 63245), (139, 61880), (140, 61438), (170, 50596), (182, 47260), (221, 38920), (238, 36140), (260, 33082), (278, 30940), (280, 30719), (340, 25298), (364, 23630), (442, 19460), (455, 18904), (476, 18070), (520, 16541), (556, 15470), (595, 14456), (680, 12649), (695, 12376), (728, 11815), (884, 9730), (910, 9452), (952, 9035), (973, 8840), (1105, 7784), (1112, 7735), (1190, 7228), (1390, 6188), (1547, 5560), (1768, 4865), (1807, 4760), (1820, 4726), (1946, 4420), (2210, 3892), (2363, 3640), (2380, 3614), (2780, 3094)]