51140340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 163734480

約数和(自身を除く): 112594140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 97, 101, 116, 145, 174, 180, 194, 202, 261, 290, 291, 303, 348, 388, 404, 435, 485, 505, 522, 580, 582, 606, 870, 873, 909, 970, 1010, 1044, 1164, 1212, 1305, 1455, 1515, 1740, 1746, 1818, 1940, 2020, 2610, 2813, 2910, 2929, 3030, 3492, 3636, 4365, 4545, 5220, 5626, 5820, 5858, 6060, 8439, 8730, 8787, 9090, 9797, 11252, 11716, 14065, 14645, 16878, 17460, 17574, 18180, 19594, 25317, 26361, 28130, 29290, 29391, 33756, 35148, 39188, 42195, 43935, 48985, 50634, 52722, 56260, 58580, 58782, 84390, 87870, 88173, 97970, 101268, 105444, 117564, 126585, 131805, 146955, 168780, 175740, 176346, 195940, 253170, 263610, 284113, 293910, 352692, 440865, 506340, 527220, 568226, 587820, 852339, 881730, 1136452, 1420565, 1704678, 1763460, 2557017, 2841130, 3409356, 4261695, 5114034, 5682260, 8523390, 10228068, 12785085, 17046780, 25570170, 51140340]

約数ペア:

[(1, 51140340), (2, 25570170), (3, 17046780), (4, 12785085), (5, 10228068), (6, 8523390), (9, 5682260), (10, 5114034), (12, 4261695), (15, 3409356), (18, 2841130), (20, 2557017), (29, 1763460), (30, 1704678), (36, 1420565), (45, 1136452), (58, 881730), (60, 852339), (87, 587820), (90, 568226), (97, 527220), (101, 506340), (116, 440865), (145, 352692), (174, 293910), (180, 284113), (194, 263610), (202, 253170), (261, 195940), (290, 176346), (291, 175740), (303, 168780), (348, 146955), (388, 131805), (404, 126585), (435, 117564), (485, 105444), (505, 101268), (522, 97970), (580, 88173), (582, 87870), (606, 84390), (870, 58782), (873, 58580), (909, 56260), (970, 52722), (1010, 50634), (1044, 48985), (1164, 43935), (1212, 42195), (1305, 39188), (1455, 35148), (1515, 33756), (1740, 29391), (1746, 29290), (1818, 28130), (1940, 26361), (2020, 25317), (2610, 19594), (2813, 18180), (2910, 17574), (2929, 17460), (3030, 16878), (3492, 14645), (3636, 14065), (4365, 11716), (4545, 11252), (5220, 9797), (5626, 9090), (5820, 8787), (5858, 8730), (6060, 8439)]