140722740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1846

約数の個数: 144

約数和(自身を含む): 469123200

約数和(自身を除く): 328400460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 207, 228, 230, 276, 285, 342, 345, 380, 414, 437, 460, 570, 684, 690, 828, 855, 874, 1035, 1140, 1311, 1380, 1710, 1748, 1789, 2070, 2185, 2622, 3420, 3578, 3933, 4140, 4370, 5244, 5367, 6555, 7156, 7866, 8740, 8945, 10734, 13110, 15732, 16101, 17890, 19665, 21468, 26220, 26835, 32202, 33991, 35780, 39330, 41147, 53670, 64404, 67982, 78660, 80505, 82294, 101973, 107340, 123441, 135964, 161010, 164588, 169955, 203946, 205735, 246882, 305919, 322020, 339910, 370323, 407892, 411470, 493764, 509865, 611838, 617205, 679820, 740646, 781793, 822940, 1019730, 1223676, 1234410, 1481292, 1529595, 1563586, 1851615, 2039460, 2345379, 2468820, 3059190, 3127172, 3703230, 3908965, 4690758, 6118380, 7036137, 7406460, 7817930, 9381516, 11726895, 14072274, 15635860, 23453790, 28144548, 35180685, 46907580, 70361370, 140722740]

約数ペア:

[(1, 140722740), (2, 70361370), (3, 46907580), (4, 35180685), (5, 28144548), (6, 23453790), (9, 15635860), (10, 14072274), (12, 11726895), (15, 9381516), (18, 7817930), (19, 7406460), (20, 7036137), (23, 6118380), (30, 4690758), (36, 3908965), (38, 3703230), (45, 3127172), (46, 3059190), (57, 2468820), (60, 2345379), (69, 2039460), (76, 1851615), (90, 1563586), (92, 1529595), (95, 1481292), (114, 1234410), (115, 1223676), (138, 1019730), (171, 822940), (180, 781793), (190, 740646), (207, 679820), (228, 617205), (230, 611838), (276, 509865), (285, 493764), (342, 411470), (345, 407892), (380, 370323), (414, 339910), (437, 322020), (460, 305919), (570, 246882), (684, 205735), (690, 203946), (828, 169955), (855, 164588), (874, 161010), (1035, 135964), (1140, 123441), (1311, 107340), (1380, 101973), (1710, 82294), (1748, 80505), (1789, 78660), (2070, 67982), (2185, 64404), (2622, 53670), (3420, 41147), (3578, 39330), (3933, 35780), (4140, 33991), (4370, 32202), (5244, 26835), (5367, 26220), (6555, 21468), (7156, 19665), (7866, 17890), (8740, 16101), (8945, 15732), (10734, 13110)]