161653140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4297}}^1$

素因数の和:4342

約数の個数: 144

約数和(自身を含む): 563209920

約数和(自身を除く): 401556780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 855, 990, 1045, 1140, 1254, 1710, 1881, 1980, 2090, 2508, 3135, 3420, 3762, 4180, 4297, 6270, 7524, 8594, 9405, 12540, 12891, 17188, 18810, 21485, 25782, 37620, 38673, 42970, 47267, 51564, 64455, 77346, 81643, 85940, 94534, 128910, 141801, 154692, 163286, 189068, 193365, 236335, 244929, 257820, 283602, 326572, 386730, 408215, 425403, 472670, 489858, 567204, 709005, 734787, 773460, 816430, 850806, 898073, 945340, 979716, 1224645, 1418010, 1469574, 1632860, 1701612, 1796146, 2127015, 2449290, 2694219, 2836020, 2939148, 3592292, 3673935, 4254030, 4490365, 4898580, 5388438, 7347870, 8082657, 8508060, 8980730, 10776876, 13471095, 14695740, 16165314, 17961460, 26942190, 32330628, 40413285, 53884380, 80826570, 161653140]

約数ペア:

[(1, 161653140), (2, 80826570), (3, 53884380), (4, 40413285), (5, 32330628), (6, 26942190), (9, 17961460), (10, 16165314), (11, 14695740), (12, 13471095), (15, 10776876), (18, 8980730), (19, 8508060), (20, 8082657), (22, 7347870), (30, 5388438), (33, 4898580), (36, 4490365), (38, 4254030), (44, 3673935), (45, 3592292), (55, 2939148), (57, 2836020), (60, 2694219), (66, 2449290), (76, 2127015), (90, 1796146), (95, 1701612), (99, 1632860), (110, 1469574), (114, 1418010), (132, 1224645), (165, 979716), (171, 945340), (180, 898073), (190, 850806), (198, 816430), (209, 773460), (220, 734787), (228, 709005), (285, 567204), (330, 489858), (342, 472670), (380, 425403), (396, 408215), (418, 386730), (495, 326572), (570, 283602), (627, 257820), (660, 244929), (684, 236335), (836, 193365), (855, 189068), (990, 163286), (1045, 154692), (1140, 141801), (1254, 128910), (1710, 94534), (1881, 85940), (1980, 81643), (2090, 77346), (2508, 64455), (3135, 51564), (3420, 47267), (3762, 42970), (4180, 38673), (4297, 37620), (6270, 25782), (7524, 21485), (8594, 18810), (9405, 17188), (12540, 12891)]