209980512

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:263

約数の個数: 240

約数和(自身を含む): 720099072

約数和(自身を除く): 510118560

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 71, 72, 81, 84, 96, 108, 112, 126, 142, 144, 162, 163, 168, 189, 213, 216, 224, 252, 284, 288, 324, 326, 336, 378, 426, 432, 489, 497, 504, 567, 568, 639, 648, 652, 672, 756, 852, 864, 978, 994, 1008, 1134, 1136, 1141, 1278, 1296, 1304, 1467, 1491, 1512, 1704, 1917, 1956, 1988, 2016, 2268, 2272, 2282, 2556, 2592, 2608, 2934, 2982, 3024, 3408, 3423, 3834, 3912, 3976, 4401, 4473, 4536, 4564, 5112, 5216, 5751, 5868, 5964, 6048, 6816, 6846, 7668, 7824, 7952, 8802, 8946, 9072, 9128, 10224, 10269, 11502, 11573, 11736, 11928, 13203, 13419, 13692, 15336, 15648, 15904, 17604, 17892, 18144, 18256, 20448, 20538, 23004, 23146, 23472, 23856, 26406, 26838, 27384, 30672, 30807, 34719, 35208, 35784, 36512, 40257, 41076, 46008, 46292, 46944, 47712, 52812, 53676, 54768, 61344, 61614, 69438, 70416, 71568, 80514, 81011, 82152, 92016, 92421, 92584, 104157, 105624, 107352, 109536, 123228, 138876, 140832, 143136, 161028, 162022, 164304, 184032, 184842, 185168, 208314, 211248, 214704, 243033, 246456, 277752, 312471, 322056, 324044, 328608, 369684, 370336, 416628, 422496, 429408, 486066, 492912, 555504, 624942, 644112, 648088, 729099, 739368, 833256, 937413, 972132, 985824, 1111008, 1249884, 1288224, 1296176, 1458198, 1478736, 1666512, 1874826, 1944264, 2187297, 2499768, 2592352, 2916396, 2957472, 3333024, 3749652, 3888528, 4374594, 4999536, 5832792, 6561891, 7499304, 7777056, 8749188, 9999072, 11665584, 13123782, 14998608, 17498376, 23331168, 26247564, 29997216, 34996752, 52495128, 69993504, 104990256, 209980512]

約数ペア:

[(1, 209980512), (2, 104990256), (3, 69993504), (4, 52495128), (6, 34996752), (7, 29997216), (8, 26247564), (9, 23331168), (12, 17498376), (14, 14998608), (16, 13123782), (18, 11665584), (21, 9999072), (24, 8749188), (27, 7777056), (28, 7499304), (32, 6561891), (36, 5832792), (42, 4999536), (48, 4374594), (54, 3888528), (56, 3749652), (63, 3333024), (71, 2957472), (72, 2916396), (81, 2592352), (84, 2499768), (96, 2187297), (108, 1944264), (112, 1874826), (126, 1666512), (142, 1478736), (144, 1458198), (162, 1296176), (163, 1288224), (168, 1249884), (189, 1111008), (213, 985824), (216, 972132), (224, 937413), (252, 833256), (284, 739368), (288, 729099), (324, 648088), (326, 644112), (336, 624942), (378, 555504), (426, 492912), (432, 486066), (489, 429408), (497, 422496), (504, 416628), (567, 370336), (568, 369684), (639, 328608), (648, 324044), (652, 322056), (672, 312471), (756, 277752), (852, 246456), (864, 243033), (978, 214704), (994, 211248), (1008, 208314), (1134, 185168), (1136, 184842), (1141, 184032), (1278, 164304), (1296, 162022), (1304, 161028), (1467, 143136), (1491, 140832), (1512, 138876), (1704, 123228), (1917, 109536), (1956, 107352), (1988, 105624), (2016, 104157), (2268, 92584), (2272, 92421), (2282, 92016), (2556, 82152), (2592, 81011), (2608, 80514), (2934, 71568), (2982, 70416), (3024, 69438), (3408, 61614), (3423, 61344), (3834, 54768), (3912, 53676), (3976, 52812), (4401, 47712), (4473, 46944), (4536, 46292), (4564, 46008), (5112, 41076), (5216, 40257), (5751, 36512), (5868, 35784), (5964, 35208), (6048, 34719), (6816, 30807), (6846, 30672), (7668, 27384), (7824, 26838), (7952, 26406), (8802, 23856), (8946, 23472), (9072, 23146), (9128, 23004), (10224, 20538), (10269, 20448), (11502, 18256), (11573, 18144), (11736, 17892), (11928, 17604), (13203, 15904), (13419, 15648), (13692, 15336)]