1086640020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{317731}}^1$

素因数の和:317765

約数の個数: 72

約数和(自身を含む): 3469633440

約数和(自身を除く): 2382993420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 317731, 635462, 953193, 1270924, 1588655, 1906386, 2859579, 3177310, 3812772, 4765965, 5719158, 6036889, 6354620, 9531930, 11438316, 12073778, 14297895, 18110667, 19063860, 24147556, 28595790, 30184445, 36221334, 54332001, 57191580, 60368890, 72442668, 90553335, 108664002, 120737780, 181106670, 217328004, 271660005, 362213340, 543320010, 1086640020]

約数ペア:

[(1, 1086640020), (2, 543320010), (3, 362213340), (4, 271660005), (5, 217328004), (6, 181106670), (9, 120737780), (10, 108664002), (12, 90553335), (15, 72442668), (18, 60368890), (19, 57191580), (20, 54332001), (30, 36221334), (36, 30184445), (38, 28595790), (45, 24147556), (57, 19063860), (60, 18110667), (76, 14297895), (90, 12073778), (95, 11438316), (114, 9531930), (171, 6354620), (180, 6036889), (190, 5719158), (228, 4765965), (285, 3812772), (342, 3177310), (380, 2859579), (570, 1906386), (684, 1588655), (855, 1270924), (1140, 953193), (1710, 635462), (3420, 317731)]