81276156

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 235089120

約数和(自身を除く): 153812964

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 61, 73, 78, 108, 117, 122, 146, 156, 169, 183, 219, 234, 244, 292, 338, 351, 366, 438, 468, 507, 549, 657, 676, 702, 732, 793, 876, 949, 1014, 1098, 1314, 1404, 1521, 1586, 1647, 1898, 1971, 2028, 2196, 2379, 2628, 2847, 3042, 3172, 3294, 3796, 3942, 4453, 4563, 4758, 5694, 6084, 6588, 7137, 7884, 8541, 8906, 9126, 9516, 10309, 11388, 12337, 13359, 14274, 17082, 17812, 18252, 20618, 21411, 24674, 25623, 26718, 28548, 30927, 34164, 37011, 40077, 41236, 42822, 49348, 51246, 53436, 57889, 61854, 74022, 80154, 85644, 92781, 102492, 111033, 115778, 120231, 123708, 148044, 160308, 173667, 185562, 222066, 231556, 240462, 278343, 333099, 347334, 371124, 444132, 480924, 521001, 556686, 666198, 694668, 752557, 1042002, 1113372, 1332396, 1505114, 1563003, 2084004, 2257671, 3010228, 3126006, 4515342, 6252012, 6773013, 9030684, 13546026, 20319039, 27092052, 40638078, 81276156]

約数ペア:

[(1, 81276156), (2, 40638078), (3, 27092052), (4, 20319039), (6, 13546026), (9, 9030684), (12, 6773013), (13, 6252012), (18, 4515342), (26, 3126006), (27, 3010228), (36, 2257671), (39, 2084004), (52, 1563003), (54, 1505114), (61, 1332396), (73, 1113372), (78, 1042002), (108, 752557), (117, 694668), (122, 666198), (146, 556686), (156, 521001), (169, 480924), (183, 444132), (219, 371124), (234, 347334), (244, 333099), (292, 278343), (338, 240462), (351, 231556), (366, 222066), (438, 185562), (468, 173667), (507, 160308), (549, 148044), (657, 123708), (676, 120231), (702, 115778), (732, 111033), (793, 102492), (876, 92781), (949, 85644), (1014, 80154), (1098, 74022), (1314, 61854), (1404, 57889), (1521, 53436), (1586, 51246), (1647, 49348), (1898, 42822), (1971, 41236), (2028, 40077), (2196, 37011), (2379, 34164), (2628, 30927), (2847, 28548), (3042, 26718), (3172, 25623), (3294, 24674), (3796, 21411), (3942, 20618), (4453, 18252), (4563, 17812), (4758, 17082), (5694, 14274), (6084, 13359), (6588, 12337), (7137, 11388), (7884, 10309), (8541, 9516), (8906, 9126)]