64305280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 169646400

約数和(自身を除く): 105341120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 64, 65, 80, 104, 118, 128, 130, 131, 160, 208, 236, 260, 262, 295, 320, 416, 472, 520, 524, 590, 640, 655, 767, 832, 944, 1040, 1048, 1180, 1310, 1534, 1664, 1703, 1888, 2080, 2096, 2360, 2620, 3068, 3406, 3776, 3835, 4160, 4192, 4720, 5240, 6136, 6812, 7552, 7670, 7729, 8320, 8384, 8515, 9440, 10480, 12272, 13624, 15340, 15458, 16768, 17030, 18880, 20960, 24544, 27248, 30680, 30916, 34060, 37760, 38645, 41920, 49088, 54496, 61360, 61832, 68120, 77290, 83840, 98176, 100477, 108992, 122720, 123664, 136240, 154580, 200954, 217984, 245440, 247328, 272480, 309160, 401908, 490880, 494656, 502385, 544960, 618320, 803816, 989312, 1004770, 1089920, 1236640, 1607632, 2009540, 2473280, 3215264, 4019080, 4946560, 6430528, 8038160, 12861056, 16076320, 32152640, 64305280]

約数ペア:

[(1, 64305280), (2, 32152640), (4, 16076320), (5, 12861056), (8, 8038160), (10, 6430528), (13, 4946560), (16, 4019080), (20, 3215264), (26, 2473280), (32, 2009540), (40, 1607632), (52, 1236640), (59, 1089920), (64, 1004770), (65, 989312), (80, 803816), (104, 618320), (118, 544960), (128, 502385), (130, 494656), (131, 490880), (160, 401908), (208, 309160), (236, 272480), (260, 247328), (262, 245440), (295, 217984), (320, 200954), (416, 154580), (472, 136240), (520, 123664), (524, 122720), (590, 108992), (640, 100477), (655, 98176), (767, 83840), (832, 77290), (944, 68120), (1040, 61832), (1048, 61360), (1180, 54496), (1310, 49088), (1534, 41920), (1664, 38645), (1703, 37760), (1888, 34060), (2080, 30916), (2096, 30680), (2360, 27248), (2620, 24544), (3068, 20960), (3406, 18880), (3776, 17030), (3835, 16768), (4160, 15458), (4192, 15340), (4720, 13624), (5240, 12272), (6136, 10480), (6812, 9440), (7552, 8515), (7670, 8384), (7729, 8320)]