21084087120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{27479}}^1$

素因数の和:27657

約数の個数: 160

約数和(自身を含む): 68695603200

約数和(自身を除く): 47611516080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 139, 184, 230, 240, 276, 278, 345, 368, 417, 460, 552, 556, 690, 695, 834, 920, 1104, 1112, 1380, 1390, 1668, 1840, 2085, 2224, 2760, 2780, 3197, 3336, 4170, 5520, 5560, 6394, 6672, 8340, 9591, 11120, 12788, 15985, 16680, 19182, 25576, 27479, 31970, 33360, 38364, 47955, 51152, 54958, 63940, 76728, 82437, 95910, 109916, 127880, 137395, 153456, 164874, 191820, 219832, 255760, 274790, 329748, 383640, 412185, 439664, 549580, 632017, 659496, 767280, 824370, 1099160, 1264034, 1318992, 1648740, 1896051, 2198320, 2528068, 3160085, 3297480, 3792102, 3819581, 5056136, 6320170, 6594960, 7584204, 7639162, 9480255, 10112272, 11458743, 12640340, 15168408, 15278324, 18960510, 19097905, 22917486, 25280680, 30336816, 30556648, 37921020, 38195810, 45834972, 50561360, 57293715, 61113296, 75842040, 76391620, 87850363, 91669944, 114587430, 151684080, 152783240, 175700726, 183339888, 229174860, 263551089, 305566480, 351401452, 439251815, 458349720, 527102178, 702802904, 878503630, 916699440, 1054204356, 1317755445, 1405605808, 1757007260, 2108408712, 2635510890, 3514014520, 4216817424, 5271021780, 7028029040, 10542043560, 21084087120]

約数ペア:

[(1, 21084087120), (2, 10542043560), (3, 7028029040), (4, 5271021780), (5, 4216817424), (6, 3514014520), (8, 2635510890), (10, 2108408712), (12, 1757007260), (15, 1405605808), (16, 1317755445), (20, 1054204356), (23, 916699440), (24, 878503630), (30, 702802904), (40, 527102178), (46, 458349720), (48, 439251815), (60, 351401452), (69, 305566480), (80, 263551089), (92, 229174860), (115, 183339888), (120, 175700726), (138, 152783240), (139, 151684080), (184, 114587430), (230, 91669944), (240, 87850363), (276, 76391620), (278, 75842040), (345, 61113296), (368, 57293715), (417, 50561360), (460, 45834972), (552, 38195810), (556, 37921020), (690, 30556648), (695, 30336816), (834, 25280680), (920, 22917486), (1104, 19097905), (1112, 18960510), (1380, 15278324), (1390, 15168408), (1668, 12640340), (1840, 11458743), (2085, 10112272), (2224, 9480255), (2760, 7639162), (2780, 7584204), (3197, 6594960), (3336, 6320170), (4170, 5056136), (5520, 3819581), (5560, 3792102), (6394, 3297480), (6672, 3160085), (8340, 2528068), (9591, 2198320), (11120, 1896051), (12788, 1648740), (15985, 1318992), (16680, 1264034), (19182, 1099160), (25576, 824370), (27479, 767280), (31970, 659496), (33360, 632017), (38364, 549580), (47955, 439664), (51152, 412185), (54958, 383640), (63940, 329748), (76728, 274790), (82437, 255760), (95910, 219832), (109916, 191820), (127880, 164874), (137395, 153456)]