64981840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{137}}^1$

素因数の和:186

約数の個数: 180

約数和(自身を含む): 194589108

約数和(自身を除く): 129607268

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 121, 137, 140, 154, 176, 196, 220, 242, 245, 274, 280, 308, 385, 392, 440, 484, 490, 539, 548, 560, 605, 616, 685, 770, 784, 847, 880, 959, 968, 980, 1078, 1096, 1210, 1232, 1370, 1507, 1540, 1694, 1918, 1936, 1960, 2156, 2192, 2420, 2695, 2740, 3014, 3080, 3388, 3836, 3920, 4235, 4312, 4795, 4840, 5390, 5480, 5929, 6028, 6160, 6713, 6776, 7535, 7672, 8470, 8624, 9590, 9680, 10549, 10780, 10960, 11858, 12056, 13426, 13552, 15070, 15344, 16577, 16940, 19180, 21098, 21560, 23716, 24112, 26852, 29645, 30140, 33154, 33565, 33880, 38360, 42196, 43120, 47432, 52745, 53704, 59290, 60280, 66308, 67130, 67760, 73843, 76720, 82885, 84392, 94864, 105490, 107408, 116039, 118580, 120560, 132616, 134260, 147686, 165770, 168784, 210980, 232078, 237160, 265232, 268520, 295372, 331540, 369215, 421960, 464156, 474320, 537040, 580195, 590744, 663080, 738430, 812273, 843920, 928312, 1160390, 1181488, 1326160, 1476860, 1624546, 1856624, 2320780, 2953720, 3249092, 4061365, 4641560, 5907440, 6498184, 8122730, 9283120, 12996368, 16245460, 32490920, 64981840]

約数ペア:

[(1, 64981840), (2, 32490920), (4, 16245460), (5, 12996368), (7, 9283120), (8, 8122730), (10, 6498184), (11, 5907440), (14, 4641560), (16, 4061365), (20, 3249092), (22, 2953720), (28, 2320780), (35, 1856624), (40, 1624546), (44, 1476860), (49, 1326160), (55, 1181488), (56, 1160390), (70, 928312), (77, 843920), (80, 812273), (88, 738430), (98, 663080), (110, 590744), (112, 580195), (121, 537040), (137, 474320), (140, 464156), (154, 421960), (176, 369215), (196, 331540), (220, 295372), (242, 268520), (245, 265232), (274, 237160), (280, 232078), (308, 210980), (385, 168784), (392, 165770), (440, 147686), (484, 134260), (490, 132616), (539, 120560), (548, 118580), (560, 116039), (605, 107408), (616, 105490), (685, 94864), (770, 84392), (784, 82885), (847, 76720), (880, 73843), (959, 67760), (968, 67130), (980, 66308), (1078, 60280), (1096, 59290), (1210, 53704), (1232, 52745), (1370, 47432), (1507, 43120), (1540, 42196), (1694, 38360), (1918, 33880), (1936, 33565), (1960, 33154), (2156, 30140), (2192, 29645), (2420, 26852), (2695, 24112), (2740, 23716), (3014, 21560), (3080, 21098), (3388, 19180), (3836, 16940), (3920, 16577), (4235, 15344), (4312, 15070), (4795, 13552), (4840, 13426), (5390, 12056), (5480, 11858), (5929, 10960), (6028, 10780), (6160, 10549), (6713, 9680), (6776, 9590), (7535, 8624), (7672, 8470)]