121566690

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:645

約数の個数: 128

約数和(自身を含む): 374077440

約数和(自身を除く): 252510750

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 131, 135, 189, 210, 262, 270, 315, 378, 393, 491, 630, 655, 786, 917, 945, 982, 1179, 1310, 1473, 1834, 1890, 1965, 2358, 2455, 2751, 2946, 3437, 3537, 3930, 4419, 4585, 4910, 5502, 5895, 6874, 7074, 7365, 8253, 8838, 9170, 10311, 11790, 13257, 13755, 14730, 16506, 17185, 17685, 20622, 22095, 24759, 26514, 27510, 30933, 34370, 35370, 41265, 44190, 49518, 51555, 61866, 64321, 66285, 82530, 92799, 103110, 123795, 128642, 132570, 154665, 185598, 192963, 247590, 309330, 321605, 385926, 450247, 463995, 578889, 643210, 900494, 927990, 964815, 1157778, 1350741, 1736667, 1929630, 2251235, 2701482, 2894445, 3473334, 4052223, 4502470, 5788890, 6753705, 8104446, 8683335, 12156669, 13507410, 17366670, 20261115, 24313338, 40522230, 60783345, 121566690]

約数ペア:

[(1, 121566690), (2, 60783345), (3, 40522230), (5, 24313338), (6, 20261115), (7, 17366670), (9, 13507410), (10, 12156669), (14, 8683335), (15, 8104446), (18, 6753705), (21, 5788890), (27, 4502470), (30, 4052223), (35, 3473334), (42, 2894445), (45, 2701482), (54, 2251235), (63, 1929630), (70, 1736667), (90, 1350741), (105, 1157778), (126, 964815), (131, 927990), (135, 900494), (189, 643210), (210, 578889), (262, 463995), (270, 450247), (315, 385926), (378, 321605), (393, 309330), (491, 247590), (630, 192963), (655, 185598), (786, 154665), (917, 132570), (945, 128642), (982, 123795), (1179, 103110), (1310, 92799), (1473, 82530), (1834, 66285), (1890, 64321), (1965, 61866), (2358, 51555), (2455, 49518), (2751, 44190), (2946, 41265), (3437, 35370), (3537, 34370), (3930, 30933), (4419, 27510), (4585, 26514), (4910, 24759), (5502, 22095), (5895, 20622), (6874, 17685), (7074, 17185), (7365, 16506), (8253, 14730), (8838, 13755), (9170, 13257), (10311, 11790)]