179999118

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 452390400

約数和(自身を除く): 272391282

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 43, 54, 67, 78, 86, 89, 117, 129, 134, 178, 201, 234, 258, 267, 351, 387, 402, 534, 559, 603, 702, 774, 801, 871, 1118, 1157, 1161, 1206, 1602, 1677, 1742, 1809, 2314, 2322, 2403, 2613, 2881, 3354, 3471, 3618, 3827, 4806, 5031, 5226, 5762, 5963, 6942, 7654, 7839, 8643, 10062, 10413, 11481, 11926, 15093, 15678, 17286, 17889, 20826, 22962, 23517, 25929, 30186, 31239, 34443, 35778, 37453, 47034, 49751, 51858, 53667, 62478, 68886, 74906, 77519, 77787, 99502, 103329, 107334, 112359, 149253, 155038, 155574, 161001, 206658, 224718, 232557, 256409, 298506, 322002, 337077, 447759, 465114, 512818, 674154, 697671, 769227, 895518, 1011231, 1343277, 1395342, 1538454, 2022462, 2093013, 2307681, 2686554, 3333317, 4186026, 4615362, 6666634, 6923043, 9999951, 13846086, 19999902, 29999853, 59999706, 89999559, 179999118]

約数ペア:

[(1, 179999118), (2, 89999559), (3, 59999706), (6, 29999853), (9, 19999902), (13, 13846086), (18, 9999951), (26, 6923043), (27, 6666634), (39, 4615362), (43, 4186026), (54, 3333317), (67, 2686554), (78, 2307681), (86, 2093013), (89, 2022462), (117, 1538454), (129, 1395342), (134, 1343277), (178, 1011231), (201, 895518), (234, 769227), (258, 697671), (267, 674154), (351, 512818), (387, 465114), (402, 447759), (534, 337077), (559, 322002), (603, 298506), (702, 256409), (774, 232557), (801, 224718), (871, 206658), (1118, 161001), (1157, 155574), (1161, 155038), (1206, 149253), (1602, 112359), (1677, 107334), (1742, 103329), (1809, 99502), (2314, 77787), (2322, 77519), (2403, 74906), (2613, 68886), (2881, 62478), (3354, 53667), (3471, 51858), (3618, 49751), (3827, 47034), (4806, 37453), (5031, 35778), (5226, 34443), (5762, 31239), (5963, 30186), (6942, 25929), (7654, 23517), (7839, 22962), (8643, 20826), (10062, 17889), (10413, 17286), (11481, 15678), (11926, 15093)]