261152430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{863}}^1$

素因数の和:1022

約数の個数: 128

約数和(自身を含む): 788299776

約数和(自身を除く): 527147346

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 131, 154, 165, 210, 231, 262, 330, 385, 393, 462, 655, 770, 786, 863, 917, 1155, 1310, 1441, 1726, 1834, 1965, 2310, 2589, 2751, 2882, 3930, 4315, 4323, 4585, 5178, 5502, 6041, 7205, 8630, 8646, 9170, 9493, 10087, 12082, 12945, 13755, 14410, 18123, 18986, 20174, 21615, 25890, 27510, 28479, 30205, 30261, 36246, 43230, 47465, 50435, 56958, 60410, 60522, 66451, 90615, 94930, 100870, 113053, 132902, 142395, 151305, 181230, 199353, 226106, 284790, 302610, 332255, 339159, 398706, 565265, 664510, 678318, 791371, 996765, 1130530, 1243583, 1582742, 1695795, 1993530, 2374113, 2487166, 3391590, 3730749, 3956855, 4748226, 6217915, 7461498, 7913710, 8705081, 11870565, 12435830, 17410162, 18653745, 23741130, 26115243, 37307490, 43525405, 52230486, 87050810, 130576215, 261152430]

約数ペア:

[(1, 261152430), (2, 130576215), (3, 87050810), (5, 52230486), (6, 43525405), (7, 37307490), (10, 26115243), (11, 23741130), (14, 18653745), (15, 17410162), (21, 12435830), (22, 11870565), (30, 8705081), (33, 7913710), (35, 7461498), (42, 6217915), (55, 4748226), (66, 3956855), (70, 3730749), (77, 3391590), (105, 2487166), (110, 2374113), (131, 1993530), (154, 1695795), (165, 1582742), (210, 1243583), (231, 1130530), (262, 996765), (330, 791371), (385, 678318), (393, 664510), (462, 565265), (655, 398706), (770, 339159), (786, 332255), (863, 302610), (917, 284790), (1155, 226106), (1310, 199353), (1441, 181230), (1726, 151305), (1834, 142395), (1965, 132902), (2310, 113053), (2589, 100870), (2751, 94930), (2882, 90615), (3930, 66451), (4315, 60522), (4323, 60410), (4585, 56958), (5178, 50435), (5502, 47465), (6041, 43230), (7205, 36246), (8630, 30261), (8646, 30205), (9170, 28479), (9493, 27510), (10087, 25890), (12082, 21615), (12945, 20174), (13755, 18986), (14410, 18123)]