78906520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:194

約数の個数: 192

約数和(自身を含む): 237867840

約数和(自身を除く): 158961320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 121, 136, 137, 140, 154, 170, 187, 220, 238, 242, 274, 280, 308, 340, 374, 385, 440, 476, 484, 548, 595, 605, 616, 680, 685, 748, 770, 847, 935, 952, 959, 968, 1096, 1190, 1210, 1309, 1370, 1496, 1507, 1540, 1694, 1870, 1918, 2057, 2329, 2380, 2420, 2618, 2740, 3014, 3080, 3388, 3740, 3836, 4114, 4235, 4658, 4760, 4795, 4840, 5236, 5480, 6028, 6545, 6776, 7480, 7535, 7672, 8228, 8470, 9316, 9590, 10285, 10472, 10549, 11645, 12056, 13090, 14399, 15070, 16303, 16456, 16577, 16940, 18632, 19180, 20570, 21098, 23290, 25619, 26180, 28798, 30140, 32606, 33154, 33880, 38360, 41140, 42196, 46580, 51238, 52360, 52745, 57596, 60280, 65212, 66308, 71995, 81515, 82280, 82885, 84392, 93160, 102476, 105490, 115192, 116039, 128095, 130424, 132616, 143990, 163030, 165770, 179333, 204952, 210980, 232078, 256190, 281809, 287980, 326060, 331540, 358666, 421960, 464156, 512380, 563618, 575960, 580195, 652120, 663080, 717332, 896665, 928312, 1024760, 1127236, 1160390, 1409045, 1434664, 1793330, 1972663, 2254472, 2320780, 2818090, 3586660, 3945326, 4641560, 5636180, 7173320, 7890652, 9863315, 11272360, 15781304, 19726630, 39453260, 78906520]

約数ペア:

[(1, 78906520), (2, 39453260), (4, 19726630), (5, 15781304), (7, 11272360), (8, 9863315), (10, 7890652), (11, 7173320), (14, 5636180), (17, 4641560), (20, 3945326), (22, 3586660), (28, 2818090), (34, 2320780), (35, 2254472), (40, 1972663), (44, 1793330), (55, 1434664), (56, 1409045), (68, 1160390), (70, 1127236), (77, 1024760), (85, 928312), (88, 896665), (110, 717332), (119, 663080), (121, 652120), (136, 580195), (137, 575960), (140, 563618), (154, 512380), (170, 464156), (187, 421960), (220, 358666), (238, 331540), (242, 326060), (274, 287980), (280, 281809), (308, 256190), (340, 232078), (374, 210980), (385, 204952), (440, 179333), (476, 165770), (484, 163030), (548, 143990), (595, 132616), (605, 130424), (616, 128095), (680, 116039), (685, 115192), (748, 105490), (770, 102476), (847, 93160), (935, 84392), (952, 82885), (959, 82280), (968, 81515), (1096, 71995), (1190, 66308), (1210, 65212), (1309, 60280), (1370, 57596), (1496, 52745), (1507, 52360), (1540, 51238), (1694, 46580), (1870, 42196), (1918, 41140), (2057, 38360), (2329, 33880), (2380, 33154), (2420, 32606), (2618, 30140), (2740, 28798), (3014, 26180), (3080, 25619), (3388, 23290), (3740, 21098), (3836, 20570), (4114, 19180), (4235, 18632), (4658, 16940), (4760, 16577), (4795, 16456), (4840, 16303), (5236, 15070), (5480, 14399), (6028, 13090), (6545, 12056), (6776, 11645), (7480, 10549), (7535, 10472), (7672, 10285), (8228, 9590), (8470, 9316)]