72509008

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:153

約数の個数: 120

約数和(自身を含む): 172704224

約数和(自身を除く): 100195216

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 43, 44, 52, 67, 86, 88, 104, 121, 134, 143, 172, 176, 208, 242, 268, 286, 344, 473, 484, 536, 559, 572, 688, 737, 871, 946, 968, 1072, 1118, 1144, 1474, 1573, 1742, 1892, 1936, 2236, 2288, 2881, 2948, 3146, 3484, 3784, 4472, 5203, 5762, 5896, 6149, 6292, 6968, 7568, 8107, 8944, 9581, 10406, 11524, 11792, 12298, 12584, 13936, 16214, 19162, 20812, 23048, 24596, 25168, 31691, 32428, 37453, 38324, 41624, 46096, 49192, 63382, 64856, 67639, 74906, 76648, 83248, 98384, 105391, 126764, 129712, 135278, 149812, 153296, 210782, 253528, 270556, 299624, 348601, 411983, 421564, 507056, 541112, 599248, 697202, 823966, 843128, 1082224, 1394404, 1647932, 1686256, 2788808, 3295864, 4531813, 5577616, 6591728, 9063626, 18127252, 36254504, 72509008]

約数ペア:

[(1, 72509008), (2, 36254504), (4, 18127252), (8, 9063626), (11, 6591728), (13, 5577616), (16, 4531813), (22, 3295864), (26, 2788808), (43, 1686256), (44, 1647932), (52, 1394404), (67, 1082224), (86, 843128), (88, 823966), (104, 697202), (121, 599248), (134, 541112), (143, 507056), (172, 421564), (176, 411983), (208, 348601), (242, 299624), (268, 270556), (286, 253528), (344, 210782), (473, 153296), (484, 149812), (536, 135278), (559, 129712), (572, 126764), (688, 105391), (737, 98384), (871, 83248), (946, 76648), (968, 74906), (1072, 67639), (1118, 64856), (1144, 63382), (1474, 49192), (1573, 46096), (1742, 41624), (1892, 38324), (1936, 37453), (2236, 32428), (2288, 31691), (2881, 25168), (2948, 24596), (3146, 23048), (3484, 20812), (3784, 19162), (4472, 16214), (5203, 13936), (5762, 12584), (5896, 12298), (6149, 11792), (6292, 11524), (6968, 10406), (7568, 9581), (8107, 8944)]