219906560

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:234

約数の個数: 160

約数和(自身を含む): 579820032

約数和(自身を除く): 359913472

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 163, 170, 248, 256, 272, 310, 320, 326, 340, 496, 512, 527, 544, 620, 640, 652, 680, 815, 992, 1054, 1088, 1240, 1280, 1304, 1360, 1630, 1984, 2108, 2176, 2480, 2560, 2608, 2635, 2720, 2771, 3260, 3968, 4216, 4352, 4960, 5053, 5216, 5270, 5440, 5542, 6520, 7936, 8432, 8704, 9920, 10106, 10432, 10540, 10880, 11084, 13040, 13855, 15872, 16864, 19840, 20212, 20864, 21080, 21760, 22168, 25265, 26080, 27710, 33728, 39680, 40424, 41728, 42160, 43520, 44336, 50530, 52160, 55420, 67456, 79360, 80848, 83456, 84320, 85901, 88672, 101060, 104320, 110840, 134912, 161696, 168640, 171802, 177344, 202120, 208640, 221680, 269824, 323392, 337280, 343604, 354688, 404240, 417280, 429505, 443360, 646784, 674560, 687208, 709376, 808480, 859010, 886720, 1293568, 1349120, 1374416, 1418752, 1616960, 1718020, 1773440, 2587136, 2748832, 3233920, 3436040, 3546880, 5497664, 6467840, 6872080, 7093760, 10995328, 12935680, 13744160, 21990656, 27488320, 43981312, 54976640, 109953280, 219906560]

約数ペア:

[(1, 219906560), (2, 109953280), (4, 54976640), (5, 43981312), (8, 27488320), (10, 21990656), (16, 13744160), (17, 12935680), (20, 10995328), (31, 7093760), (32, 6872080), (34, 6467840), (40, 5497664), (62, 3546880), (64, 3436040), (68, 3233920), (80, 2748832), (85, 2587136), (124, 1773440), (128, 1718020), (136, 1616960), (155, 1418752), (160, 1374416), (163, 1349120), (170, 1293568), (248, 886720), (256, 859010), (272, 808480), (310, 709376), (320, 687208), (326, 674560), (340, 646784), (496, 443360), (512, 429505), (527, 417280), (544, 404240), (620, 354688), (640, 343604), (652, 337280), (680, 323392), (815, 269824), (992, 221680), (1054, 208640), (1088, 202120), (1240, 177344), (1280, 171802), (1304, 168640), (1360, 161696), (1630, 134912), (1984, 110840), (2108, 104320), (2176, 101060), (2480, 88672), (2560, 85901), (2608, 84320), (2635, 83456), (2720, 80848), (2771, 79360), (3260, 67456), (3968, 55420), (4216, 52160), (4352, 50530), (4960, 44336), (5053, 43520), (5216, 42160), (5270, 41728), (5440, 40424), (5542, 39680), (6520, 33728), (7936, 27710), (8432, 26080), (8704, 25265), (9920, 22168), (10106, 21760), (10432, 21080), (10540, 20864), (10880, 20212), (11084, 19840), (13040, 16864), (13855, 15872)]