639102672

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1733}}^1$

素因数の和:1957

約数の個数: 120

約数和(自身を含む): 1937079144

約数和(自身を除く): 1297976472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 197, 208, 234, 312, 394, 468, 591, 624, 788, 936, 1182, 1576, 1733, 1773, 1872, 2364, 2561, 3152, 3466, 3546, 4728, 5122, 5199, 6932, 7092, 7683, 9456, 10244, 10398, 13864, 14184, 15366, 15597, 20488, 20796, 22529, 23049, 27728, 28368, 30732, 31194, 40976, 41592, 45058, 46098, 61464, 62388, 67587, 83184, 90116, 92196, 122928, 124776, 135174, 180232, 184392, 202761, 249552, 270348, 341401, 360464, 368784, 405522, 540696, 682802, 811044, 1024203, 1081392, 1365604, 1622088, 2048406, 2731208, 3072609, 3244176, 4096812, 4438213, 5462416, 6145218, 8193624, 8876426, 12290436, 13314639, 16387248, 17752852, 24580872, 26629278, 35505704, 39943917, 49161744, 53258556, 71011408, 79887834, 106517112, 159775668, 213034224, 319551336, 639102672]

約数ペア:

[(1, 639102672), (2, 319551336), (3, 213034224), (4, 159775668), (6, 106517112), (8, 79887834), (9, 71011408), (12, 53258556), (13, 49161744), (16, 39943917), (18, 35505704), (24, 26629278), (26, 24580872), (36, 17752852), (39, 16387248), (48, 13314639), (52, 12290436), (72, 8876426), (78, 8193624), (104, 6145218), (117, 5462416), (144, 4438213), (156, 4096812), (197, 3244176), (208, 3072609), (234, 2731208), (312, 2048406), (394, 1622088), (468, 1365604), (591, 1081392), (624, 1024203), (788, 811044), (936, 682802), (1182, 540696), (1576, 405522), (1733, 368784), (1773, 360464), (1872, 341401), (2364, 270348), (2561, 249552), (3152, 202761), (3466, 184392), (3546, 180232), (4728, 135174), (5122, 124776), (5199, 122928), (6932, 92196), (7092, 90116), (7683, 83184), (9456, 67587), (10244, 62388), (10398, 61464), (13864, 46098), (14184, 45058), (15366, 41592), (15597, 40976), (20488, 31194), (20796, 30732), (22529, 28368), (23049, 27728)]