155385780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1259}}^1$

素因数の和:1310

約数の個数: 144

約数和(自身を含む): 506761920

約数和(自身を除く): 351376140

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 121, 132, 165, 170, 187, 204, 220, 242, 255, 330, 340, 363, 374, 484, 510, 561, 605, 660, 726, 748, 935, 1020, 1122, 1210, 1259, 1452, 1815, 1870, 2057, 2244, 2420, 2518, 2805, 3630, 3740, 3777, 4114, 5036, 5610, 6171, 6295, 7260, 7554, 8228, 10285, 11220, 12342, 12590, 13849, 15108, 18885, 20570, 21403, 24684, 25180, 27698, 30855, 37770, 41140, 41547, 42806, 55396, 61710, 64209, 69245, 75540, 83094, 85612, 107015, 123420, 128418, 138490, 152339, 166188, 207735, 214030, 235433, 256836, 276980, 304678, 321045, 415470, 428060, 457017, 470866, 609356, 642090, 706299, 761695, 830940, 914034, 941732, 1177165, 1284180, 1412598, 1523390, 1828068, 2285085, 2354330, 2589763, 2825196, 3046780, 3531495, 4570170, 4708660, 5179526, 7062990, 7769289, 9140340, 10359052, 12948815, 14125980, 15538578, 25897630, 31077156, 38846445, 51795260, 77692890, 155385780]

約数ペア:

[(1, 155385780), (2, 77692890), (3, 51795260), (4, 38846445), (5, 31077156), (6, 25897630), (10, 15538578), (11, 14125980), (12, 12948815), (15, 10359052), (17, 9140340), (20, 7769289), (22, 7062990), (30, 5179526), (33, 4708660), (34, 4570170), (44, 3531495), (51, 3046780), (55, 2825196), (60, 2589763), (66, 2354330), (68, 2285085), (85, 1828068), (102, 1523390), (110, 1412598), (121, 1284180), (132, 1177165), (165, 941732), (170, 914034), (187, 830940), (204, 761695), (220, 706299), (242, 642090), (255, 609356), (330, 470866), (340, 457017), (363, 428060), (374, 415470), (484, 321045), (510, 304678), (561, 276980), (605, 256836), (660, 235433), (726, 214030), (748, 207735), (935, 166188), (1020, 152339), (1122, 138490), (1210, 128418), (1259, 123420), (1452, 107015), (1815, 85612), (1870, 83094), (2057, 75540), (2244, 69245), (2420, 64209), (2518, 61710), (2805, 55396), (3630, 42806), (3740, 41547), (3777, 41140), (4114, 37770), (5036, 30855), (5610, 27698), (6171, 25180), (6295, 24684), (7260, 21403), (7554, 20570), (8228, 18885), (10285, 15108), (11220, 13849), (12342, 12590)]