123216156

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 371314944

約数和(自身を除く): 248098788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 83, 84, 86, 126, 129, 137, 166, 172, 249, 252, 258, 274, 301, 332, 387, 411, 498, 516, 548, 581, 602, 747, 774, 822, 903, 959, 996, 1162, 1204, 1233, 1494, 1548, 1644, 1743, 1806, 1918, 2324, 2466, 2709, 2877, 2988, 3486, 3569, 3612, 3836, 4932, 5229, 5418, 5754, 5891, 6972, 7138, 8631, 10458, 10707, 10836, 11371, 11508, 11782, 14276, 17262, 17673, 20916, 21414, 22742, 23564, 24983, 32121, 34113, 34524, 35346, 41237, 42828, 45484, 49966, 53019, 64242, 68226, 70692, 74949, 79597, 82474, 99932, 102339, 106038, 123711, 128484, 136452, 149898, 159194, 164948, 204678, 212076, 224847, 238791, 247422, 299796, 318388, 371133, 409356, 449694, 477582, 488953, 494844, 716373, 742266, 899388, 955164, 977906, 1432746, 1466859, 1484532, 1955812, 2865492, 2933718, 3422671, 4400577, 5867436, 6845342, 8801154, 10268013, 13690684, 17602308, 20536026, 30804039, 41072052, 61608078, 123216156]

約数ペア:

[(1, 123216156), (2, 61608078), (3, 41072052), (4, 30804039), (6, 20536026), (7, 17602308), (9, 13690684), (12, 10268013), (14, 8801154), (18, 6845342), (21, 5867436), (28, 4400577), (36, 3422671), (42, 2933718), (43, 2865492), (63, 1955812), (83, 1484532), (84, 1466859), (86, 1432746), (126, 977906), (129, 955164), (137, 899388), (166, 742266), (172, 716373), (249, 494844), (252, 488953), (258, 477582), (274, 449694), (301, 409356), (332, 371133), (387, 318388), (411, 299796), (498, 247422), (516, 238791), (548, 224847), (581, 212076), (602, 204678), (747, 164948), (774, 159194), (822, 149898), (903, 136452), (959, 128484), (996, 123711), (1162, 106038), (1204, 102339), (1233, 99932), (1494, 82474), (1548, 79597), (1644, 74949), (1743, 70692), (1806, 68226), (1918, 64242), (2324, 53019), (2466, 49966), (2709, 45484), (2877, 42828), (2988, 41237), (3486, 35346), (3569, 34524), (3612, 34113), (3836, 32121), (4932, 24983), (5229, 23564), (5418, 22742), (5754, 21414), (5891, 20916), (6972, 17673), (7138, 17262), (8631, 14276), (10458, 11782), (10707, 11508), (10836, 11371)]