161721360

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 280

約数和(自身を含む): 585498240

約数和(自身を除く): 423776880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 47, 48, 54, 59, 60, 72, 80, 81, 90, 94, 108, 118, 120, 135, 141, 144, 162, 177, 180, 188, 216, 235, 236, 240, 243, 270, 282, 295, 324, 354, 360, 376, 405, 423, 432, 470, 472, 486, 531, 540, 564, 590, 648, 705, 708, 720, 729, 752, 810, 846, 885, 940, 944, 972, 1062, 1080, 1128, 1180, 1215, 1269, 1296, 1410, 1416, 1458, 1593, 1620, 1692, 1770, 1880, 1944, 2115, 2124, 2160, 2256, 2360, 2430, 2538, 2655, 2773, 2820, 2832, 2916, 3186, 3240, 3384, 3540, 3645, 3760, 3807, 3888, 4230, 4248, 4720, 4779, 4860, 5076, 5310, 5546, 5640, 5832, 6345, 6372, 6480, 6768, 7080, 7290, 7614, 7965, 8319, 8460, 8496, 9558, 9720, 10152, 10620, 11092, 11280, 11421, 11664, 12690, 12744, 13865, 14160, 14337, 14580, 15228, 15930, 16638, 16920, 19035, 19116, 19440, 20304, 21240, 22184, 22842, 23895, 24957, 25380, 25488, 27730, 28674, 29160, 30456, 31860, 33276, 33840, 34263, 38070, 38232, 41595, 42480, 43011, 44368, 45684, 47790, 49914, 50760, 55460, 57105, 57348, 58320, 60912, 63720, 66552, 68526, 71685, 74871, 76140, 76464, 83190, 86022, 91368, 95580, 99828, 101520, 110920, 114210, 114696, 124785, 127440, 133104, 137052, 143370, 149742, 152280, 166380, 171315, 172044, 182736, 191160, 199656, 215055, 221840, 224613, 228420, 229392, 249570, 274104, 286740, 299484, 304560, 332760, 342630, 344088, 374355, 382320, 399312, 430110, 449226, 456840, 499140, 548208, 573480, 598968, 665520, 673839, 685260, 688176, 748710, 860220, 898452, 913680, 998280, 1123065, 1146960, 1197936, 1347678, 1370520, 1497420, 1720440, 1796904, 1996560, 2021517, 2246130, 2695356, 2741040, 2994840, 3369195, 3440880, 3593808, 4043034, 4492260, 5390712, 5989680, 6738390, 8086068, 8984520, 10107585, 10781424, 13476780, 16172136, 17969040, 20215170, 26953560, 32344272, 40430340, 53907120, 80860680, 161721360]

約数ペア:

[(1, 161721360), (2, 80860680), (3, 53907120), (4, 40430340), (5, 32344272), (6, 26953560), (8, 20215170), (9, 17969040), (10, 16172136), (12, 13476780), (15, 10781424), (16, 10107585), (18, 8984520), (20, 8086068), (24, 6738390), (27, 5989680), (30, 5390712), (36, 4492260), (40, 4043034), (45, 3593808), (47, 3440880), (48, 3369195), (54, 2994840), (59, 2741040), (60, 2695356), (72, 2246130), (80, 2021517), (81, 1996560), (90, 1796904), (94, 1720440), (108, 1497420), (118, 1370520), (120, 1347678), (135, 1197936), (141, 1146960), (144, 1123065), (162, 998280), (177, 913680), (180, 898452), (188, 860220), (216, 748710), (235, 688176), (236, 685260), (240, 673839), (243, 665520), (270, 598968), (282, 573480), (295, 548208), (324, 499140), (354, 456840), (360, 449226), (376, 430110), (405, 399312), (423, 382320), (432, 374355), (470, 344088), (472, 342630), (486, 332760), (531, 304560), (540, 299484), (564, 286740), (590, 274104), (648, 249570), (705, 229392), (708, 228420), (720, 224613), (729, 221840), (752, 215055), (810, 199656), (846, 191160), (885, 182736), (940, 172044), (944, 171315), (972, 166380), (1062, 152280), (1080, 149742), (1128, 143370), (1180, 137052), (1215, 133104), (1269, 127440), (1296, 124785), (1410, 114696), (1416, 114210), (1458, 110920), (1593, 101520), (1620, 99828), (1692, 95580), (1770, 91368), (1880, 86022), (1944, 83190), (2115, 76464), (2124, 76140), (2160, 74871), (2256, 71685), (2360, 68526), (2430, 66552), (2538, 63720), (2655, 60912), (2773, 58320), (2820, 57348), (2832, 57105), (2916, 55460), (3186, 50760), (3240, 49914), (3384, 47790), (3540, 45684), (3645, 44368), (3760, 43011), (3807, 42480), (3888, 41595), (4230, 38232), (4248, 38070), (4720, 34263), (4779, 33840), (4860, 33276), (5076, 31860), (5310, 30456), (5546, 29160), (5640, 28674), (5832, 27730), (6345, 25488), (6372, 25380), (6480, 24957), (6768, 23895), (7080, 22842), (7290, 22184), (7614, 21240), (7965, 20304), (8319, 19440), (8460, 19116), (8496, 19035), (9558, 16920), (9720, 16638), (10152, 15930), (10620, 15228), (11092, 14580), (11280, 14337), (11421, 14160), (11664, 13865), (12690, 12744)]