208973280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 192

約数和(自身を含む): 688020480

約数和(自身を除く): 479047200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 59, 60, 80, 94, 96, 118, 120, 141, 157, 160, 177, 188, 235, 236, 240, 282, 295, 314, 354, 376, 470, 471, 472, 480, 564, 590, 628, 705, 708, 752, 785, 885, 940, 942, 944, 1128, 1180, 1256, 1410, 1416, 1504, 1570, 1770, 1880, 1884, 1888, 2256, 2355, 2360, 2512, 2773, 2820, 2832, 3140, 3540, 3760, 3768, 4512, 4710, 4720, 5024, 5546, 5640, 5664, 6280, 7080, 7379, 7520, 7536, 8319, 9263, 9420, 9440, 11092, 11280, 12560, 13865, 14160, 14758, 15072, 16638, 18526, 18840, 22137, 22184, 22560, 25120, 27730, 27789, 28320, 29516, 33276, 36895, 37052, 37680, 41595, 44274, 44368, 46315, 55460, 55578, 59032, 66552, 73790, 74104, 75360, 83190, 88548, 88736, 92630, 110685, 110920, 111156, 118064, 133104, 138945, 147580, 148208, 166380, 177096, 185260, 221370, 221840, 222312, 236128, 266208, 277890, 295160, 296416, 332760, 354192, 370520, 435361, 442740, 443680, 444624, 555780, 590320, 665520, 708384, 741040, 870722, 885480, 889248, 1111560, 1180640, 1306083, 1331040, 1482080, 1741444, 1770960, 2176805, 2223120, 2612166, 3482888, 3541920, 4353610, 4446240, 5224332, 6530415, 6965776, 8707220, 10448664, 13060830, 13931552, 17414440, 20897328, 26121660, 34828880, 41794656, 52243320, 69657760, 104486640, 208973280]

約数ペア:

[(1, 208973280), (2, 104486640), (3, 69657760), (4, 52243320), (5, 41794656), (6, 34828880), (8, 26121660), (10, 20897328), (12, 17414440), (15, 13931552), (16, 13060830), (20, 10448664), (24, 8707220), (30, 6965776), (32, 6530415), (40, 5224332), (47, 4446240), (48, 4353610), (59, 3541920), (60, 3482888), (80, 2612166), (94, 2223120), (96, 2176805), (118, 1770960), (120, 1741444), (141, 1482080), (157, 1331040), (160, 1306083), (177, 1180640), (188, 1111560), (235, 889248), (236, 885480), (240, 870722), (282, 741040), (295, 708384), (314, 665520), (354, 590320), (376, 555780), (470, 444624), (471, 443680), (472, 442740), (480, 435361), (564, 370520), (590, 354192), (628, 332760), (705, 296416), (708, 295160), (752, 277890), (785, 266208), (885, 236128), (940, 222312), (942, 221840), (944, 221370), (1128, 185260), (1180, 177096), (1256, 166380), (1410, 148208), (1416, 147580), (1504, 138945), (1570, 133104), (1770, 118064), (1880, 111156), (1884, 110920), (1888, 110685), (2256, 92630), (2355, 88736), (2360, 88548), (2512, 83190), (2773, 75360), (2820, 74104), (2832, 73790), (3140, 66552), (3540, 59032), (3760, 55578), (3768, 55460), (4512, 46315), (4710, 44368), (4720, 44274), (5024, 41595), (5546, 37680), (5640, 37052), (5664, 36895), (6280, 33276), (7080, 29516), (7379, 28320), (7520, 27789), (7536, 27730), (8319, 25120), (9263, 22560), (9420, 22184), (9440, 22137), (11092, 18840), (11280, 18526), (12560, 16638), (13865, 15072), (14160, 14758)]