203131530

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3467}}^1$

素因数の和:3521

約数の個数: 128

約数和(自身を含む): 639221760

約数和(自身を除く): 436090230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 315, 378, 434, 465, 558, 630, 651, 837, 930, 945, 1085, 1302, 1395, 1674, 1890, 1953, 2170, 2790, 3255, 3467, 3906, 4185, 5859, 6510, 6934, 8370, 9765, 10401, 11718, 17335, 19530, 20802, 24269, 29295, 31203, 34670, 48538, 52005, 58590, 62406, 72807, 93609, 104010, 107477, 121345, 145614, 156015, 187218, 214954, 218421, 242690, 312030, 322431, 364035, 436842, 468045, 537385, 644862, 655263, 728070, 752339, 936090, 967293, 1074770, 1092105, 1310526, 1504678, 1612155, 1934586, 2184210, 2257017, 2901879, 3224310, 3276315, 3761695, 4514034, 4836465, 5803758, 6552630, 6771051, 7523390, 9672930, 11285085, 13542102, 14509395, 20313153, 22570170, 29018790, 33855255, 40626306, 67710510, 101565765, 203131530]

約数ペア:

[(1, 203131530), (2, 101565765), (3, 67710510), (5, 40626306), (6, 33855255), (7, 29018790), (9, 22570170), (10, 20313153), (14, 14509395), (15, 13542102), (18, 11285085), (21, 9672930), (27, 7523390), (30, 6771051), (31, 6552630), (35, 5803758), (42, 4836465), (45, 4514034), (54, 3761695), (62, 3276315), (63, 3224310), (70, 2901879), (90, 2257017), (93, 2184210), (105, 1934586), (126, 1612155), (135, 1504678), (155, 1310526), (186, 1092105), (189, 1074770), (210, 967293), (217, 936090), (270, 752339), (279, 728070), (310, 655263), (315, 644862), (378, 537385), (434, 468045), (465, 436842), (558, 364035), (630, 322431), (651, 312030), (837, 242690), (930, 218421), (945, 214954), (1085, 187218), (1302, 156015), (1395, 145614), (1674, 121345), (1890, 107477), (1953, 104010), (2170, 93609), (2790, 72807), (3255, 62406), (3467, 58590), (3906, 52005), (4185, 48538), (5859, 34670), (6510, 31203), (6934, 29295), (8370, 24269), (9765, 20802), (10401, 19530), (11718, 17335)]