856653720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{5437}}^1$

素因数の和:5565

約数の個数: 128

約数和(自身を含む): 2795567040

約数和(自身を除く): 1938913320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 101, 104, 120, 130, 156, 195, 202, 260, 303, 312, 390, 404, 505, 520, 606, 780, 808, 1010, 1212, 1313, 1515, 1560, 2020, 2424, 2626, 3030, 3939, 4040, 5252, 5437, 6060, 6565, 7878, 10504, 10874, 12120, 13130, 15756, 16311, 19695, 21748, 26260, 27185, 31512, 32622, 39390, 43496, 52520, 54370, 65244, 70681, 78780, 81555, 108740, 130488, 141362, 157560, 163110, 212043, 217480, 282724, 326220, 353405, 424086, 549137, 565448, 652440, 706810, 848172, 1060215, 1098274, 1413620, 1647411, 1696344, 2120430, 2196548, 2745685, 2827240, 3294822, 4240860, 4393096, 5491370, 6589644, 7138781, 8237055, 8481720, 10982740, 13179288, 14277562, 16474110, 21416343, 21965480, 28555124, 32948220, 35693905, 42832686, 57110248, 65896440, 71387810, 85665372, 107081715, 142775620, 171330744, 214163430, 285551240, 428326860, 856653720]

約数ペア:

[(1, 856653720), (2, 428326860), (3, 285551240), (4, 214163430), (5, 171330744), (6, 142775620), (8, 107081715), (10, 85665372), (12, 71387810), (13, 65896440), (15, 57110248), (20, 42832686), (24, 35693905), (26, 32948220), (30, 28555124), (39, 21965480), (40, 21416343), (52, 16474110), (60, 14277562), (65, 13179288), (78, 10982740), (101, 8481720), (104, 8237055), (120, 7138781), (130, 6589644), (156, 5491370), (195, 4393096), (202, 4240860), (260, 3294822), (303, 2827240), (312, 2745685), (390, 2196548), (404, 2120430), (505, 1696344), (520, 1647411), (606, 1413620), (780, 1098274), (808, 1060215), (1010, 848172), (1212, 706810), (1313, 652440), (1515, 565448), (1560, 549137), (2020, 424086), (2424, 353405), (2626, 326220), (3030, 282724), (3939, 217480), (4040, 212043), (5252, 163110), (5437, 157560), (6060, 141362), (6565, 130488), (7878, 108740), (10504, 81555), (10874, 78780), (12120, 70681), (13130, 65244), (15756, 54370), (16311, 52520), (19695, 43496), (21748, 39390), (26260, 32622), (27185, 31512)]