161645880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{881}}^1$

素因数の和:1045

約数の個数: 128

約数和(自身を含む): 533433600

約数和(自身を除く): 371787720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 139, 165, 220, 264, 278, 330, 417, 440, 556, 660, 695, 834, 881, 1112, 1320, 1390, 1529, 1668, 1762, 2085, 2643, 2780, 3058, 3336, 3524, 4170, 4405, 4587, 5286, 5560, 6116, 7048, 7645, 8340, 8810, 9174, 9691, 10572, 12232, 13215, 15290, 16680, 17620, 18348, 19382, 21144, 22935, 26430, 29073, 30580, 35240, 36696, 38764, 45870, 48455, 52860, 58146, 61160, 77528, 91740, 96910, 105720, 116292, 122459, 145365, 183480, 193820, 232584, 244918, 290730, 367377, 387640, 489836, 581460, 612295, 734754, 979672, 1162920, 1224590, 1347049, 1469508, 1836885, 2449180, 2694098, 2939016, 3673770, 4041147, 4898360, 5388196, 6735245, 7347540, 8082294, 10776392, 13470490, 14695080, 16164588, 20205735, 26940980, 32329176, 40411470, 53881960, 80822940, 161645880]

約数ペア:

[(1, 161645880), (2, 80822940), (3, 53881960), (4, 40411470), (5, 32329176), (6, 26940980), (8, 20205735), (10, 16164588), (11, 14695080), (12, 13470490), (15, 10776392), (20, 8082294), (22, 7347540), (24, 6735245), (30, 5388196), (33, 4898360), (40, 4041147), (44, 3673770), (55, 2939016), (60, 2694098), (66, 2449180), (88, 1836885), (110, 1469508), (120, 1347049), (132, 1224590), (139, 1162920), (165, 979672), (220, 734754), (264, 612295), (278, 581460), (330, 489836), (417, 387640), (440, 367377), (556, 290730), (660, 244918), (695, 232584), (834, 193820), (881, 183480), (1112, 145365), (1320, 122459), (1390, 116292), (1529, 105720), (1668, 96910), (1762, 91740), (2085, 77528), (2643, 61160), (2780, 58146), (3058, 52860), (3336, 48455), (3524, 45870), (4170, 38764), (4405, 36696), (4587, 35240), (5286, 30580), (5560, 29073), (6116, 26430), (7048, 22935), (7645, 21144), (8340, 19382), (8810, 18348), (9174, 17620), (9691, 16680), (10572, 15290), (12232, 13215)]