219382740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2789}}^1$

素因数の和:2846

約数の個数: 144

約数和(自身を含む): 731203200

約数和(自身を除く): 511820460

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, 2070, 2185, 2622, 2789, 3420, 3933, 4140, 4370, 5244, 5578, 6555, 7866, 8367, 8740, 11156, 13110, 13945, 15732, 16734, 19665, 25101, 26220, 27890, 33468, 39330, 41835, 50202, 52991, 55780, 64147, 78660, 83670, 100404, 105982, 125505, 128294, 158973, 167340, 192441, 211964, 251010, 256588, 264955, 317946, 320735, 384882, 476919, 502020, 529910, 577323, 635892, 641470, 769764, 794865, 953838, 962205, 1059820, 1154646, 1218793, 1282940, 1589730, 1907676, 1924410, 2309292, 2384595, 2437586, 2886615, 3179460, 3656379, 3848820, 4769190, 4875172, 5773230, 6093965, 7312758, 9538380, 10969137, 11546460, 12187930, 14625516, 18281895, 21938274, 24375860, 36563790, 43876548, 54845685, 73127580, 109691370, 219382740]

約数ペア:

[(1, 219382740), (2, 109691370), (3, 73127580), (4, 54845685), (5, 43876548), (6, 36563790), (9, 24375860), (10, 21938274), (12, 18281895), (15, 14625516), (18, 12187930), (19, 11546460), (20, 10969137), (23, 9538380), (30, 7312758), (36, 6093965), (38, 5773230), (45, 4875172), (46, 4769190), (57, 3848820), (60, 3656379), (69, 3179460), (76, 2886615), (90, 2437586), (92, 2384595), (95, 2309292), (114, 1924410), (115, 1907676), (138, 1589730), (171, 1282940), (180, 1218793), (190, 1154646), (207, 1059820), (228, 962205), (230, 953838), (276, 794865), (285, 769764), (342, 641470), (345, 635892), (380, 577323), (414, 529910), (437, 502020), (460, 476919), (570, 384882), (684, 320735), (690, 317946), (828, 264955), (855, 256588), (874, 251010), (1035, 211964), (1140, 192441), (1311, 167340), (1380, 158973), (1710, 128294), (1748, 125505), (2070, 105982), (2185, 100404), (2622, 83670), (2789, 78660), (3420, 64147), (3933, 55780), (4140, 52991), (4370, 50202), (5244, 41835), (5578, 39330), (6555, 33468), (7866, 27890), (8367, 26220), (8740, 25101), (11156, 19665), (13110, 16734), (13945, 15732)]