491880816

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1273

約数の個数: 240

約数和(自身を含む): 1730246400

約数和(自身を除く): 1238365584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 36, 38, 42, 48, 49, 54, 56, 57, 63, 72, 76, 84, 98, 108, 112, 114, 126, 133, 144, 147, 152, 168, 171, 189, 196, 216, 228, 252, 266, 294, 304, 336, 342, 378, 392, 399, 432, 441, 456, 504, 513, 532, 588, 684, 756, 784, 798, 882, 912, 931, 1008, 1026, 1064, 1176, 1197, 1223, 1323, 1368, 1512, 1596, 1764, 1862, 2052, 2128, 2352, 2394, 2446, 2646, 2736, 2793, 3024, 3192, 3528, 3591, 3669, 3724, 4104, 4788, 4892, 5292, 5586, 6384, 7056, 7182, 7338, 7448, 8208, 8379, 8561, 9576, 9784, 10584, 11007, 11172, 14364, 14676, 14896, 16758, 17122, 19152, 19568, 21168, 22014, 22344, 23237, 25137, 25683, 28728, 29352, 33021, 33516, 34244, 44028, 44688, 46474, 50274, 51366, 57456, 58704, 59927, 66042, 67032, 68488, 69711, 77049, 88056, 92948, 100548, 102732, 119854, 132084, 134064, 136976, 139422, 154098, 162659, 176112, 179781, 185896, 201096, 205464, 209133, 231147, 239708, 264168, 278844, 308196, 325318, 359562, 371792, 402192, 410928, 418266, 462294, 479416, 487977, 528336, 539343, 557688, 616392, 627399, 650636, 719124, 836532, 924588, 958832, 975954, 1078686, 1115376, 1138613, 1232784, 1254798, 1301272, 1438248, 1463931, 1618029, 1673064, 1849176, 1951908, 2157372, 2277226, 2509596, 2602544, 2876496, 2927862, 3236058, 3346128, 3415839, 3698352, 3903816, 4314744, 4391793, 4554452, 5019192, 5855724, 6472116, 6831678, 7807632, 8629488, 8783586, 9108904, 10038384, 10247517, 11711448, 12944232, 13663356, 17567172, 18217808, 20495034, 23422896, 25888464, 27326712, 30742551, 35134344, 40990068, 54653424, 61485102, 70268688, 81980136, 122970204, 163960272, 245940408, 491880816]

約数ペア:

[(1, 491880816), (2, 245940408), (3, 163960272), (4, 122970204), (6, 81980136), (7, 70268688), (8, 61485102), (9, 54653424), (12, 40990068), (14, 35134344), (16, 30742551), (18, 27326712), (19, 25888464), (21, 23422896), (24, 20495034), (27, 18217808), (28, 17567172), (36, 13663356), (38, 12944232), (42, 11711448), (48, 10247517), (49, 10038384), (54, 9108904), (56, 8783586), (57, 8629488), (63, 7807632), (72, 6831678), (76, 6472116), (84, 5855724), (98, 5019192), (108, 4554452), (112, 4391793), (114, 4314744), (126, 3903816), (133, 3698352), (144, 3415839), (147, 3346128), (152, 3236058), (168, 2927862), (171, 2876496), (189, 2602544), (196, 2509596), (216, 2277226), (228, 2157372), (252, 1951908), (266, 1849176), (294, 1673064), (304, 1618029), (336, 1463931), (342, 1438248), (378, 1301272), (392, 1254798), (399, 1232784), (432, 1138613), (441, 1115376), (456, 1078686), (504, 975954), (513, 958832), (532, 924588), (588, 836532), (684, 719124), (756, 650636), (784, 627399), (798, 616392), (882, 557688), (912, 539343), (931, 528336), (1008, 487977), (1026, 479416), (1064, 462294), (1176, 418266), (1197, 410928), (1223, 402192), (1323, 371792), (1368, 359562), (1512, 325318), (1596, 308196), (1764, 278844), (1862, 264168), (2052, 239708), (2128, 231147), (2352, 209133), (2394, 205464), (2446, 201096), (2646, 185896), (2736, 179781), (2793, 176112), (3024, 162659), (3192, 154098), (3528, 139422), (3591, 136976), (3669, 134064), (3724, 132084), (4104, 119854), (4788, 102732), (4892, 100548), (5292, 92948), (5586, 88056), (6384, 77049), (7056, 69711), (7182, 68488), (7338, 67032), (7448, 66042), (8208, 59927), (8379, 58704), (8561, 57456), (9576, 51366), (9784, 50274), (10584, 46474), (11007, 44688), (11172, 44028), (14364, 34244), (14676, 33516), (14896, 33021), (16758, 29352), (17122, 28728), (19152, 25683), (19568, 25137), (21168, 23237), (22014, 22344)]