261853920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:194

約数の個数: 288

約数和(自身を含む): 942544512

約数和(自身を除く): 680690592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 53, 60, 72, 73, 80, 90, 94, 96, 106, 120, 141, 144, 146, 159, 160, 180, 188, 212, 219, 235, 240, 265, 282, 288, 292, 318, 360, 365, 376, 423, 424, 438, 470, 477, 480, 530, 564, 584, 636, 657, 705, 720, 730, 752, 795, 846, 848, 876, 940, 954, 1060, 1095, 1128, 1168, 1272, 1314, 1410, 1440, 1460, 1504, 1590, 1692, 1696, 1752, 1880, 1908, 2115, 2120, 2190, 2256, 2336, 2385, 2491, 2544, 2628, 2820, 2920, 3180, 3285, 3384, 3431, 3504, 3760, 3816, 3869, 4230, 4240, 4380, 4512, 4770, 4982, 5088, 5256, 5640, 5840, 6360, 6570, 6768, 6862, 7008, 7473, 7520, 7632, 7738, 8460, 8480, 8760, 9540, 9964, 10293, 10512, 11280, 11607, 11680, 12455, 12720, 13140, 13536, 13724, 14946, 15264, 15476, 16920, 17155, 17520, 19080, 19345, 19928, 20586, 21024, 22419, 22560, 23214, 24910, 25440, 26280, 27448, 29892, 30879, 30952, 33840, 34310, 34821, 35040, 37365, 38160, 38690, 39856, 41172, 44838, 46428, 49820, 51465, 52560, 54896, 58035, 59784, 61758, 61904, 67680, 68620, 69642, 74730, 76320, 77380, 79712, 82344, 89676, 92856, 99640, 102930, 105120, 109792, 112095, 116070, 119568, 123516, 123808, 137240, 139284, 149460, 154395, 154760, 164688, 174105, 179352, 181843, 185712, 199280, 205860, 224190, 232140, 239136, 247032, 274480, 278568, 298920, 308790, 309520, 329376, 348210, 358704, 363686, 371424, 398560, 411720, 448380, 464280, 494064, 545529, 548960, 557136, 597840, 617580, 619040, 696420, 717408, 727372, 823440, 896760, 909215, 928560, 988128, 1091058, 1114272, 1195680, 1235160, 1392840, 1454744, 1636587, 1646880, 1793520, 1818430, 1857120, 2182116, 2470320, 2727645, 2785680, 2909488, 3273174, 3587040, 3636860, 4364232, 4940640, 5455290, 5571360, 5818976, 6546348, 7273720, 8182935, 8728464, 10910580, 13092696, 14547440, 16365870, 17456928, 21821160, 26185392, 29094880, 32731740, 43642320, 52370784, 65463480, 87284640, 130926960, 261853920]

約数ペア:

[(1, 261853920), (2, 130926960), (3, 87284640), (4, 65463480), (5, 52370784), (6, 43642320), (8, 32731740), (9, 29094880), (10, 26185392), (12, 21821160), (15, 17456928), (16, 16365870), (18, 14547440), (20, 13092696), (24, 10910580), (30, 8728464), (32, 8182935), (36, 7273720), (40, 6546348), (45, 5818976), (47, 5571360), (48, 5455290), (53, 4940640), (60, 4364232), (72, 3636860), (73, 3587040), (80, 3273174), (90, 2909488), (94, 2785680), (96, 2727645), (106, 2470320), (120, 2182116), (141, 1857120), (144, 1818430), (146, 1793520), (159, 1646880), (160, 1636587), (180, 1454744), (188, 1392840), (212, 1235160), (219, 1195680), (235, 1114272), (240, 1091058), (265, 988128), (282, 928560), (288, 909215), (292, 896760), (318, 823440), (360, 727372), (365, 717408), (376, 696420), (423, 619040), (424, 617580), (438, 597840), (470, 557136), (477, 548960), (480, 545529), (530, 494064), (564, 464280), (584, 448380), (636, 411720), (657, 398560), (705, 371424), (720, 363686), (730, 358704), (752, 348210), (795, 329376), (846, 309520), (848, 308790), (876, 298920), (940, 278568), (954, 274480), (1060, 247032), (1095, 239136), (1128, 232140), (1168, 224190), (1272, 205860), (1314, 199280), (1410, 185712), (1440, 181843), (1460, 179352), (1504, 174105), (1590, 164688), (1692, 154760), (1696, 154395), (1752, 149460), (1880, 139284), (1908, 137240), (2115, 123808), (2120, 123516), (2190, 119568), (2256, 116070), (2336, 112095), (2385, 109792), (2491, 105120), (2544, 102930), (2628, 99640), (2820, 92856), (2920, 89676), (3180, 82344), (3285, 79712), (3384, 77380), (3431, 76320), (3504, 74730), (3760, 69642), (3816, 68620), (3869, 67680), (4230, 61904), (4240, 61758), (4380, 59784), (4512, 58035), (4770, 54896), (4982, 52560), (5088, 51465), (5256, 49820), (5640, 46428), (5840, 44838), (6360, 41172), (6570, 39856), (6768, 38690), (6862, 38160), (7008, 37365), (7473, 35040), (7520, 34821), (7632, 34310), (7738, 33840), (8460, 30952), (8480, 30879), (8760, 29892), (9540, 27448), (9964, 26280), (10293, 25440), (10512, 24910), (11280, 23214), (11607, 22560), (11680, 22419), (12455, 21024), (12720, 20586), (13140, 19928), (13536, 19345), (13724, 19080), (14946, 17520), (15264, 17155), (15476, 16920)]