78840216

素因数分解:

$2^3\times 3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:236

約数の個数: 240

約数和(自身を含む): 278087040

約数和(自身を除く): 199246824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 49, 52, 54, 56, 63, 72, 78, 81, 84, 91, 98, 104, 108, 117, 126, 147, 156, 162, 168, 182, 189, 191, 196, 216, 234, 252, 273, 294, 312, 324, 351, 364, 378, 382, 392, 441, 468, 504, 546, 567, 573, 588, 637, 648, 702, 728, 756, 764, 819, 882, 936, 1053, 1092, 1134, 1146, 1176, 1274, 1323, 1337, 1404, 1512, 1528, 1638, 1719, 1764, 1911, 2106, 2184, 2268, 2292, 2457, 2483, 2548, 2646, 2674, 2808, 3276, 3438, 3528, 3822, 3969, 4011, 4212, 4536, 4584, 4914, 4966, 5096, 5157, 5292, 5348, 5733, 6552, 6876, 7371, 7449, 7644, 7938, 8022, 8424, 9359, 9828, 9932, 10314, 10584, 10696, 11466, 12033, 13752, 14742, 14898, 15288, 15471, 15876, 16044, 17199, 17381, 18718, 19656, 19864, 20628, 22347, 22932, 24066, 28077, 29484, 29796, 30942, 31752, 32088, 34398, 34762, 36099, 37436, 41256, 44694, 45864, 48132, 51597, 52143, 56154, 58968, 59592, 61884, 67041, 68796, 69524, 72198, 74872, 84231, 89388, 96264, 103194, 104286, 108297, 112308, 121667, 123768, 134082, 137592, 139048, 144396, 156429, 168462, 178776, 201123, 206388, 208572, 216594, 224616, 243334, 252693, 268164, 288792, 312858, 336924, 365001, 402246, 412776, 417144, 433188, 469287, 486668, 505386, 536328, 625716, 673848, 730002, 758079, 804492, 866376, 938574, 973336, 1010772, 1095003, 1251432, 1407861, 1460004, 1516158, 1608984, 1877148, 2021544, 2190006, 2815722, 2920008, 3032316, 3285009, 3754296, 4380012, 5631444, 6064632, 6570018, 8760024, 9855027, 11262888, 13140036, 19710054, 26280072, 39420108, 78840216]

約数ペア:

[(1, 78840216), (2, 39420108), (3, 26280072), (4, 19710054), (6, 13140036), (7, 11262888), (8, 9855027), (9, 8760024), (12, 6570018), (13, 6064632), (14, 5631444), (18, 4380012), (21, 3754296), (24, 3285009), (26, 3032316), (27, 2920008), (28, 2815722), (36, 2190006), (39, 2021544), (42, 1877148), (49, 1608984), (52, 1516158), (54, 1460004), (56, 1407861), (63, 1251432), (72, 1095003), (78, 1010772), (81, 973336), (84, 938574), (91, 866376), (98, 804492), (104, 758079), (108, 730002), (117, 673848), (126, 625716), (147, 536328), (156, 505386), (162, 486668), (168, 469287), (182, 433188), (189, 417144), (191, 412776), (196, 402246), (216, 365001), (234, 336924), (252, 312858), (273, 288792), (294, 268164), (312, 252693), (324, 243334), (351, 224616), (364, 216594), (378, 208572), (382, 206388), (392, 201123), (441, 178776), (468, 168462), (504, 156429), (546, 144396), (567, 139048), (573, 137592), (588, 134082), (637, 123768), (648, 121667), (702, 112308), (728, 108297), (756, 104286), (764, 103194), (819, 96264), (882, 89388), (936, 84231), (1053, 74872), (1092, 72198), (1134, 69524), (1146, 68796), (1176, 67041), (1274, 61884), (1323, 59592), (1337, 58968), (1404, 56154), (1512, 52143), (1528, 51597), (1638, 48132), (1719, 45864), (1764, 44694), (1911, 41256), (2106, 37436), (2184, 36099), (2268, 34762), (2292, 34398), (2457, 32088), (2483, 31752), (2548, 30942), (2646, 29796), (2674, 29484), (2808, 28077), (3276, 24066), (3438, 22932), (3528, 22347), (3822, 20628), (3969, 19864), (4011, 19656), (4212, 18718), (4536, 17381), (4584, 17199), (4914, 16044), (4966, 15876), (5096, 15471), (5157, 15288), (5292, 14898), (5348, 14742), (5733, 13752), (6552, 12033), (6876, 11466), (7371, 10696), (7449, 10584), (7644, 10314), (7938, 9932), (8022, 9828), (8424, 9359)]