646519968

素因数分解:

$2^5\times 3^5\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:162

約数の個数: 288

約数和(自身を含む): 2047368960

約数和(自身を除く): 1400848992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 47, 48, 54, 58, 61, 72, 81, 87, 94, 96, 108, 116, 122, 141, 144, 162, 174, 183, 188, 216, 232, 243, 244, 261, 282, 288, 324, 348, 366, 376, 423, 432, 464, 486, 488, 522, 549, 564, 648, 696, 732, 752, 783, 846, 864, 928, 972, 976, 1044, 1098, 1128, 1269, 1296, 1363, 1392, 1464, 1504, 1566, 1647, 1692, 1769, 1944, 1952, 2088, 2196, 2256, 2349, 2538, 2592, 2726, 2784, 2867, 2928, 3132, 3294, 3384, 3538, 3807, 3888, 4089, 4176, 4392, 4512, 4698, 4941, 5076, 5307, 5452, 5734, 5856, 6264, 6588, 6768, 7047, 7076, 7614, 7776, 8178, 8352, 8601, 8784, 9396, 9882, 10152, 10614, 10904, 11421, 11468, 12267, 12528, 13176, 13536, 14094, 14152, 14823, 15228, 15921, 16356, 17202, 17568, 18792, 19764, 20304, 21228, 21808, 22842, 22936, 24534, 25056, 25803, 26352, 28188, 28304, 29646, 30456, 31842, 32712, 34404, 36801, 37584, 39528, 40608, 42456, 43616, 45684, 45872, 47763, 49068, 51606, 52704, 56376, 56608, 59292, 60912, 63684, 65424, 68808, 73602, 75168, 77409, 79056, 83143, 84912, 91368, 91744, 95526, 98136, 103212, 110403, 112752, 118584, 121824, 127368, 130848, 137616, 143289, 147204, 154818, 158112, 166286, 169824, 182736, 191052, 196272, 206424, 220806, 225504, 232227, 237168, 249429, 254736, 275232, 286578, 294408, 309636, 331209, 332572, 365472, 382104, 392544, 412848, 429867, 441612, 464454, 474336, 498858, 509472, 573156, 588816, 619272, 662418, 665144, 696681, 748287, 764208, 825696, 859734, 883224, 928908, 997716, 1146312, 1177632, 1238544, 1324836, 1330288, 1393362, 1496574, 1528416, 1719468, 1766448, 1857816, 1995432, 2244861, 2292624, 2477088, 2649672, 2660576, 2786724, 2993148, 3438936, 3532896, 3715632, 3990864, 4489722, 4585248, 5299344, 5573448, 5986296, 6734583, 6877872, 7431264, 7981728, 8979444, 10598688, 11146896, 11972592, 13469166, 13755744, 17958888, 20203749, 22293792, 23945184, 26938332, 35917776, 40407498, 53876664, 71835552, 80814996, 107753328, 161629992, 215506656, 323259984, 646519968]

約数ペア:

[(1, 646519968), (2, 323259984), (3, 215506656), (4, 161629992), (6, 107753328), (8, 80814996), (9, 71835552), (12, 53876664), (16, 40407498), (18, 35917776), (24, 26938332), (27, 23945184), (29, 22293792), (32, 20203749), (36, 17958888), (47, 13755744), (48, 13469166), (54, 11972592), (58, 11146896), (61, 10598688), (72, 8979444), (81, 7981728), (87, 7431264), (94, 6877872), (96, 6734583), (108, 5986296), (116, 5573448), (122, 5299344), (141, 4585248), (144, 4489722), (162, 3990864), (174, 3715632), (183, 3532896), (188, 3438936), (216, 2993148), (232, 2786724), (243, 2660576), (244, 2649672), (261, 2477088), (282, 2292624), (288, 2244861), (324, 1995432), (348, 1857816), (366, 1766448), (376, 1719468), (423, 1528416), (432, 1496574), (464, 1393362), (486, 1330288), (488, 1324836), (522, 1238544), (549, 1177632), (564, 1146312), (648, 997716), (696, 928908), (732, 883224), (752, 859734), (783, 825696), (846, 764208), (864, 748287), (928, 696681), (972, 665144), (976, 662418), (1044, 619272), (1098, 588816), (1128, 573156), (1269, 509472), (1296, 498858), (1363, 474336), (1392, 464454), (1464, 441612), (1504, 429867), (1566, 412848), (1647, 392544), (1692, 382104), (1769, 365472), (1944, 332572), (1952, 331209), (2088, 309636), (2196, 294408), (2256, 286578), (2349, 275232), (2538, 254736), (2592, 249429), (2726, 237168), (2784, 232227), (2867, 225504), (2928, 220806), (3132, 206424), (3294, 196272), (3384, 191052), (3538, 182736), (3807, 169824), (3888, 166286), (4089, 158112), (4176, 154818), (4392, 147204), (4512, 143289), (4698, 137616), (4941, 130848), (5076, 127368), (5307, 121824), (5452, 118584), (5734, 112752), (5856, 110403), (6264, 103212), (6588, 98136), (6768, 95526), (7047, 91744), (7076, 91368), (7614, 84912), (7776, 83143), (8178, 79056), (8352, 77409), (8601, 75168), (8784, 73602), (9396, 68808), (9882, 65424), (10152, 63684), (10614, 60912), (10904, 59292), (11421, 56608), (11468, 56376), (12267, 52704), (12528, 51606), (13176, 49068), (13536, 47763), (14094, 45872), (14152, 45684), (14823, 43616), (15228, 42456), (15921, 40608), (16356, 39528), (17202, 37584), (17568, 36801), (18792, 34404), (19764, 32712), (20304, 31842), (21228, 30456), (21808, 29646), (22842, 28304), (22936, 28188), (24534, 26352), (25056, 25803)]