81255132

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:728

約数の個数: 108

約数和(自身を含む): 242585616

約数和(自身を除く): 161330484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 73, 84, 98, 126, 146, 147, 196, 219, 252, 292, 294, 438, 441, 511, 588, 631, 657, 876, 882, 1022, 1262, 1314, 1533, 1764, 1893, 2044, 2524, 2628, 3066, 3577, 3786, 4417, 4599, 5679, 6132, 7154, 7572, 8834, 9198, 10731, 11358, 13251, 14308, 17668, 18396, 21462, 22716, 26502, 30919, 32193, 39753, 42924, 46063, 53004, 61838, 64386, 79506, 92126, 92757, 123676, 128772, 138189, 159012, 184252, 185514, 276378, 278271, 322441, 371028, 414567, 552756, 556542, 644882, 829134, 967323, 1113084, 1289764, 1658268, 1934646, 2257087, 2901969, 3869292, 4514174, 5803938, 6771261, 9028348, 11607876, 13542522, 20313783, 27085044, 40627566, 81255132]

約数ペア:

[(1, 81255132), (2, 40627566), (3, 27085044), (4, 20313783), (6, 13542522), (7, 11607876), (9, 9028348), (12, 6771261), (14, 5803938), (18, 4514174), (21, 3869292), (28, 2901969), (36, 2257087), (42, 1934646), (49, 1658268), (63, 1289764), (73, 1113084), (84, 967323), (98, 829134), (126, 644882), (146, 556542), (147, 552756), (196, 414567), (219, 371028), (252, 322441), (292, 278271), (294, 276378), (438, 185514), (441, 184252), (511, 159012), (588, 138189), (631, 128772), (657, 123676), (876, 92757), (882, 92126), (1022, 79506), (1262, 64386), (1314, 61838), (1533, 53004), (1764, 46063), (1893, 42924), (2044, 39753), (2524, 32193), (2628, 30919), (3066, 26502), (3577, 22716), (3786, 21462), (4417, 18396), (4599, 17668), (5679, 14308), (6132, 13251), (7154, 11358), (7572, 10731), (8834, 9198)]