201720640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3371}}^1$

素因数の和:3416

約数の個数: 112

約数和(自身を含む): 555004224

約数和(自身を除く): 353283584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 440, 544, 680, 704, 748, 880, 935, 1088, 1360, 1496, 1760, 1870, 2720, 2992, 3371, 3520, 3740, 5440, 5984, 6742, 7480, 11968, 13484, 14960, 16855, 26968, 29920, 33710, 37081, 53936, 57307, 59840, 67420, 74162, 107872, 114614, 134840, 148324, 185405, 215744, 229228, 269680, 286535, 296648, 370810, 458456, 539360, 573070, 593296, 630377, 741620, 916912, 1078720, 1146140, 1186592, 1260754, 1483240, 1833824, 2292280, 2373184, 2521508, 2966480, 3151885, 3667648, 4584560, 5043016, 5932960, 6303770, 9169120, 10086032, 11865920, 12607540, 18338240, 20172064, 25215080, 40344128, 50430160, 100860320, 201720640]

約数ペア:

[(1, 201720640), (2, 100860320), (4, 50430160), (5, 40344128), (8, 25215080), (10, 20172064), (11, 18338240), (16, 12607540), (17, 11865920), (20, 10086032), (22, 9169120), (32, 6303770), (34, 5932960), (40, 5043016), (44, 4584560), (55, 3667648), (64, 3151885), (68, 2966480), (80, 2521508), (85, 2373184), (88, 2292280), (110, 1833824), (136, 1483240), (160, 1260754), (170, 1186592), (176, 1146140), (187, 1078720), (220, 916912), (272, 741620), (320, 630377), (340, 593296), (352, 573070), (374, 539360), (440, 458456), (544, 370810), (680, 296648), (704, 286535), (748, 269680), (880, 229228), (935, 215744), (1088, 185405), (1360, 148324), (1496, 134840), (1760, 114614), (1870, 107872), (2720, 74162), (2992, 67420), (3371, 59840), (3520, 57307), (3740, 53936), (5440, 37081), (5984, 33710), (6742, 29920), (7480, 26968), (11968, 16855), (13484, 14960)]