66581256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 198201600

約数和(自身を除く): 131620344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 61, 73, 84, 89, 122, 146, 168, 178, 183, 219, 244, 267, 292, 356, 366, 427, 438, 488, 511, 534, 584, 623, 712, 732, 854, 876, 1022, 1068, 1246, 1281, 1464, 1533, 1708, 1752, 1869, 2044, 2136, 2492, 2562, 3066, 3416, 3738, 4088, 4453, 4984, 5124, 5429, 6132, 6497, 7476, 8906, 10248, 10858, 12264, 12994, 13359, 14952, 16287, 17812, 19491, 21716, 25988, 26718, 31171, 32574, 35624, 38003, 38982, 43432, 45479, 51976, 53436, 62342, 65148, 76006, 77964, 90958, 93513, 106872, 114009, 124684, 130296, 136437, 152012, 155928, 181916, 187026, 228018, 249368, 272874, 304024, 363832, 374052, 396317, 456036, 545748, 748104, 792634, 912072, 1091496, 1188951, 1585268, 2377902, 2774219, 3170536, 4755804, 5548438, 8322657, 9511608, 11096876, 16645314, 22193752, 33290628, 66581256]

約数ペア:

[(1, 66581256), (2, 33290628), (3, 22193752), (4, 16645314), (6, 11096876), (7, 9511608), (8, 8322657), (12, 5548438), (14, 4755804), (21, 3170536), (24, 2774219), (28, 2377902), (42, 1585268), (56, 1188951), (61, 1091496), (73, 912072), (84, 792634), (89, 748104), (122, 545748), (146, 456036), (168, 396317), (178, 374052), (183, 363832), (219, 304024), (244, 272874), (267, 249368), (292, 228018), (356, 187026), (366, 181916), (427, 155928), (438, 152012), (488, 136437), (511, 130296), (534, 124684), (584, 114009), (623, 106872), (712, 93513), (732, 90958), (854, 77964), (876, 76006), (1022, 65148), (1068, 62342), (1246, 53436), (1281, 51976), (1464, 45479), (1533, 43432), (1708, 38982), (1752, 38003), (1869, 35624), (2044, 32574), (2136, 31171), (2492, 26718), (2562, 25988), (3066, 21716), (3416, 19491), (3738, 17812), (4088, 16287), (4453, 14952), (4984, 13359), (5124, 12994), (5429, 12264), (6132, 10858), (6497, 10248), (7476, 8906)]