638974512

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:492

約数の個数: 240

約数和(自身を含む): 2104820640

約数和(自身を除く): 1465846128

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 33, 34, 36, 44, 48, 51, 61, 66, 68, 72, 88, 99, 102, 122, 132, 136, 144, 153, 176, 183, 187, 198, 204, 244, 264, 272, 306, 366, 374, 389, 396, 408, 488, 528, 549, 561, 612, 671, 732, 748, 778, 792, 816, 976, 1037, 1098, 1122, 1167, 1224, 1342, 1464, 1496, 1556, 1584, 1683, 2013, 2074, 2196, 2244, 2334, 2448, 2684, 2928, 2992, 3111, 3112, 3366, 3501, 4026, 4148, 4279, 4392, 4488, 4668, 5368, 6039, 6222, 6224, 6613, 6732, 7002, 8052, 8296, 8558, 8784, 8976, 9333, 9336, 10736, 11407, 12078, 12444, 12837, 13226, 13464, 14004, 16104, 16592, 17116, 18666, 18672, 19839, 22814, 23729, 24156, 24888, 25674, 26452, 26928, 28008, 32208, 34221, 34232, 37332, 38511, 39678, 45628, 47458, 48312, 49776, 51348, 52904, 56016, 59517, 68442, 68464, 71187, 72743, 74664, 77022, 79356, 91256, 94916, 96624, 102663, 102696, 105808, 119034, 136884, 142374, 145486, 149328, 154044, 158712, 182512, 189832, 205326, 205392, 213561, 218229, 238068, 261019, 273768, 284748, 290972, 308088, 317424, 379664, 403393, 410652, 427122, 436458, 476136, 522038, 547536, 569496, 581944, 616176, 654687, 783057, 806786, 821304, 854244, 872916, 952272, 1044076, 1138992, 1163888, 1210179, 1309374, 1566114, 1613572, 1642608, 1708488, 1745832, 2088152, 2349171, 2420358, 2618748, 3132228, 3227144, 3416976, 3491664, 3630537, 4176304, 4437323, 4698342, 4840716, 5237496, 6264456, 6454288, 7261074, 8874646, 9396684, 9681432, 10474992, 12528912, 13311969, 14522148, 17749292, 18793368, 19362864, 26623938, 29044296, 35498584, 37586736, 39935907, 53247876, 58088592, 70997168, 79871814, 106495752, 159743628, 212991504, 319487256, 638974512]

約数ペア:

[(1, 638974512), (2, 319487256), (3, 212991504), (4, 159743628), (6, 106495752), (8, 79871814), (9, 70997168), (11, 58088592), (12, 53247876), (16, 39935907), (17, 37586736), (18, 35498584), (22, 29044296), (24, 26623938), (33, 19362864), (34, 18793368), (36, 17749292), (44, 14522148), (48, 13311969), (51, 12528912), (61, 10474992), (66, 9681432), (68, 9396684), (72, 8874646), (88, 7261074), (99, 6454288), (102, 6264456), (122, 5237496), (132, 4840716), (136, 4698342), (144, 4437323), (153, 4176304), (176, 3630537), (183, 3491664), (187, 3416976), (198, 3227144), (204, 3132228), (244, 2618748), (264, 2420358), (272, 2349171), (306, 2088152), (366, 1745832), (374, 1708488), (389, 1642608), (396, 1613572), (408, 1566114), (488, 1309374), (528, 1210179), (549, 1163888), (561, 1138992), (612, 1044076), (671, 952272), (732, 872916), (748, 854244), (778, 821304), (792, 806786), (816, 783057), (976, 654687), (1037, 616176), (1098, 581944), (1122, 569496), (1167, 547536), (1224, 522038), (1342, 476136), (1464, 436458), (1496, 427122), (1556, 410652), (1584, 403393), (1683, 379664), (2013, 317424), (2074, 308088), (2196, 290972), (2244, 284748), (2334, 273768), (2448, 261019), (2684, 238068), (2928, 218229), (2992, 213561), (3111, 205392), (3112, 205326), (3366, 189832), (3501, 182512), (4026, 158712), (4148, 154044), (4279, 149328), (4392, 145486), (4488, 142374), (4668, 136884), (5368, 119034), (6039, 105808), (6222, 102696), (6224, 102663), (6613, 96624), (6732, 94916), (7002, 91256), (8052, 79356), (8296, 77022), (8558, 74664), (8784, 72743), (8976, 71187), (9333, 68464), (9336, 68442), (10736, 59517), (11407, 56016), (12078, 52904), (12444, 51348), (12837, 49776), (13226, 48312), (13464, 47458), (14004, 45628), (16104, 39678), (16592, 38511), (17116, 37332), (18666, 34232), (18672, 34221), (19839, 32208), (22814, 28008), (23729, 26928), (24156, 26452), (24888, 25674)]