216980784

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1$

素因数の和:499

約数の個数: 120

約数和(自身を含む): 633709440

約数和(自身を除く): 416728656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 223, 232, 233, 261, 348, 446, 464, 466, 522, 669, 696, 699, 892, 932, 1044, 1338, 1392, 1398, 1784, 1864, 2007, 2088, 2097, 2676, 2796, 3568, 3728, 4014, 4176, 4194, 5352, 5592, 6467, 6757, 8028, 8388, 10704, 11184, 12934, 13514, 16056, 16776, 19401, 20271, 25868, 27028, 32112, 33552, 38802, 40542, 51736, 51959, 54056, 58203, 60813, 77604, 81084, 103472, 103918, 108112, 116406, 121626, 155208, 155877, 162168, 207836, 232812, 243252, 310416, 311754, 324336, 415672, 465624, 467631, 486504, 623508, 831344, 931248, 935262, 973008, 1247016, 1506811, 1870524, 2494032, 3013622, 3741048, 4520433, 6027244, 7482096, 9040866, 12054488, 13561299, 18081732, 24108976, 27122598, 36163464, 54245196, 72326928, 108490392, 216980784]

約数ペア:

[(1, 216980784), (2, 108490392), (3, 72326928), (4, 54245196), (6, 36163464), (8, 27122598), (9, 24108976), (12, 18081732), (16, 13561299), (18, 12054488), (24, 9040866), (29, 7482096), (36, 6027244), (48, 4520433), (58, 3741048), (72, 3013622), (87, 2494032), (116, 1870524), (144, 1506811), (174, 1247016), (223, 973008), (232, 935262), (233, 931248), (261, 831344), (348, 623508), (446, 486504), (464, 467631), (466, 465624), (522, 415672), (669, 324336), (696, 311754), (699, 310416), (892, 243252), (932, 232812), (1044, 207836), (1338, 162168), (1392, 155877), (1398, 155208), (1784, 121626), (1864, 116406), (2007, 108112), (2088, 103918), (2097, 103472), (2676, 81084), (2796, 77604), (3568, 60813), (3728, 58203), (4014, 54056), (4176, 51959), (4194, 51736), (5352, 40542), (5592, 38802), (6467, 33552), (6757, 32112), (8028, 27028), (8388, 25868), (10704, 20271), (11184, 19401), (12934, 16776), (13514, 16056)]