81144060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 192

約数和(自身を含む): 261273600

約数和(自身を除く): 180129540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 53, 57, 60, 68, 76, 79, 85, 95, 102, 106, 114, 158, 159, 170, 190, 204, 212, 228, 237, 255, 265, 285, 316, 318, 323, 340, 380, 395, 474, 510, 530, 570, 636, 646, 790, 795, 901, 948, 969, 1007, 1020, 1060, 1140, 1185, 1292, 1343, 1501, 1580, 1590, 1615, 1802, 1938, 2014, 2370, 2686, 2703, 3002, 3021, 3180, 3230, 3604, 3876, 4028, 4029, 4187, 4503, 4505, 4740, 4845, 5035, 5372, 5406, 6004, 6042, 6460, 6715, 7505, 8058, 8374, 9006, 9010, 9690, 10070, 10812, 12084, 12561, 13430, 13515, 15010, 15105, 16116, 16748, 17119, 18012, 18020, 19380, 20140, 20145, 20935, 22515, 25122, 25517, 26860, 27030, 30020, 30210, 34238, 40290, 41870, 45030, 50244, 51034, 51357, 54060, 60420, 62805, 68476, 71179, 76551, 79553, 80580, 83740, 85595, 90060, 102068, 102714, 125610, 127585, 142358, 153102, 159106, 171190, 205428, 213537, 238659, 251220, 255170, 256785, 284716, 306204, 318212, 342380, 355895, 382755, 397765, 427074, 477318, 510340, 513570, 711790, 765510, 795530, 854148, 954636, 1027140, 1067685, 1193295, 1352401, 1423580, 1531020, 1591060, 2135370, 2386590, 2704802, 4057203, 4270740, 4773180, 5409604, 6762005, 8114406, 13524010, 16228812, 20286015, 27048020, 40572030, 81144060]

約数ペア:

[(1, 81144060), (2, 40572030), (3, 27048020), (4, 20286015), (5, 16228812), (6, 13524010), (10, 8114406), (12, 6762005), (15, 5409604), (17, 4773180), (19, 4270740), (20, 4057203), (30, 2704802), (34, 2386590), (38, 2135370), (51, 1591060), (53, 1531020), (57, 1423580), (60, 1352401), (68, 1193295), (76, 1067685), (79, 1027140), (85, 954636), (95, 854148), (102, 795530), (106, 765510), (114, 711790), (158, 513570), (159, 510340), (170, 477318), (190, 427074), (204, 397765), (212, 382755), (228, 355895), (237, 342380), (255, 318212), (265, 306204), (285, 284716), (316, 256785), (318, 255170), (323, 251220), (340, 238659), (380, 213537), (395, 205428), (474, 171190), (510, 159106), (530, 153102), (570, 142358), (636, 127585), (646, 125610), (790, 102714), (795, 102068), (901, 90060), (948, 85595), (969, 83740), (1007, 80580), (1020, 79553), (1060, 76551), (1140, 71179), (1185, 68476), (1292, 62805), (1343, 60420), (1501, 54060), (1580, 51357), (1590, 51034), (1615, 50244), (1802, 45030), (1938, 41870), (2014, 40290), (2370, 34238), (2686, 30210), (2703, 30020), (3002, 27030), (3021, 26860), (3180, 25517), (3230, 25122), (3604, 22515), (3876, 20935), (4028, 20145), (4029, 20140), (4187, 19380), (4503, 18020), (4505, 18012), (4740, 17119), (4845, 16748), (5035, 16116), (5372, 15105), (5406, 15010), (6004, 13515), (6042, 13430), (6460, 12561), (6715, 12084), (7505, 10812), (8058, 10070), (8374, 9690), (9006, 9010)]