218669360

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:660

約数の個数: 160

約数和(自身を含む): 639542400

約数和(自身を除く): 420873040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 343, 364, 392, 455, 490, 520, 560, 613, 637, 686, 728, 784, 910, 980, 1040, 1226, 1274, 1372, 1456, 1715, 1820, 1960, 2452, 2548, 2744, 3065, 3185, 3430, 3640, 3920, 4291, 4459, 4904, 5096, 5488, 6130, 6370, 6860, 7280, 7969, 8582, 8918, 9808, 10192, 12260, 12740, 13720, 15938, 17164, 17836, 21455, 22295, 24520, 25480, 27440, 30037, 31876, 34328, 35672, 39845, 42910, 44590, 49040, 50960, 55783, 60074, 63752, 68656, 71344, 79690, 85820, 89180, 111566, 120148, 127504, 150185, 159380, 171640, 178360, 210259, 223132, 240296, 278915, 300370, 318760, 343280, 356720, 390481, 420518, 446264, 480592, 557830, 600740, 637520, 780962, 841036, 892528, 1051295, 1115660, 1201480, 1561924, 1682072, 1952405, 2102590, 2231320, 2402960, 2733367, 3123848, 3364144, 3904810, 4205180, 4462640, 5466734, 6247696, 7809620, 8410360, 10933468, 13666835, 15619240, 16820720, 21866936, 27333670, 31238480, 43733872, 54667340, 109334680, 218669360]

約数ペア:

[(1, 218669360), (2, 109334680), (4, 54667340), (5, 43733872), (7, 31238480), (8, 27333670), (10, 21866936), (13, 16820720), (14, 15619240), (16, 13666835), (20, 10933468), (26, 8410360), (28, 7809620), (35, 6247696), (40, 5466734), (49, 4462640), (52, 4205180), (56, 3904810), (65, 3364144), (70, 3123848), (80, 2733367), (91, 2402960), (98, 2231320), (104, 2102590), (112, 1952405), (130, 1682072), (140, 1561924), (182, 1201480), (196, 1115660), (208, 1051295), (245, 892528), (260, 841036), (280, 780962), (343, 637520), (364, 600740), (392, 557830), (455, 480592), (490, 446264), (520, 420518), (560, 390481), (613, 356720), (637, 343280), (686, 318760), (728, 300370), (784, 278915), (910, 240296), (980, 223132), (1040, 210259), (1226, 178360), (1274, 171640), (1372, 159380), (1456, 150185), (1715, 127504), (1820, 120148), (1960, 111566), (2452, 89180), (2548, 85820), (2744, 79690), (3065, 71344), (3185, 68656), (3430, 63752), (3640, 60074), (3920, 55783), (4291, 50960), (4459, 49040), (4904, 44590), (5096, 42910), (5488, 39845), (6130, 35672), (6370, 34328), (6860, 31876), (7280, 30037), (7969, 27440), (8582, 25480), (8918, 24520), (9808, 22295), (10192, 21455), (12260, 17836), (12740, 17164), (13720, 15938)]