240865660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 192

約数和(自身を含む): 660602880

約数和(自身を除く): 419737220

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 31, 35, 38, 46, 62, 70, 76, 92, 95, 115, 124, 127, 133, 140, 155, 161, 190, 217, 230, 254, 266, 310, 322, 380, 434, 437, 460, 508, 532, 589, 620, 635, 644, 665, 713, 805, 868, 874, 889, 1085, 1178, 1270, 1330, 1426, 1610, 1748, 1778, 2170, 2185, 2356, 2413, 2540, 2660, 2852, 2921, 2945, 3059, 3220, 3556, 3565, 3937, 4123, 4340, 4370, 4445, 4826, 4991, 5842, 5890, 6118, 7130, 7874, 8246, 8740, 8890, 9652, 9982, 11684, 11780, 12065, 12236, 13547, 14260, 14605, 15295, 15748, 16492, 16891, 17780, 19685, 19964, 20447, 20615, 24130, 24955, 27094, 27559, 29210, 30590, 33782, 39370, 40894, 41230, 48260, 49910, 54188, 55118, 55499, 58420, 61180, 67564, 67735, 74803, 78740, 81788, 82460, 84455, 90551, 94829, 99820, 102235, 110236, 110998, 135470, 137795, 149606, 168910, 181102, 189658, 204470, 221996, 270940, 275590, 277495, 299212, 337820, 362204, 374015, 379316, 388493, 408940, 452755, 474145, 523621, 551180, 554990, 633857, 748030, 776986, 905510, 948290, 1047242, 1109980, 1267714, 1496060, 1553972, 1720469, 1811020, 1896580, 1942465, 2094484, 2535428, 2618105, 3169285, 3440938, 3884930, 5236210, 6338570, 6881876, 7769860, 8602345, 10472420, 12043283, 12677140, 17204690, 24086566, 34409380, 48173132, 60216415, 120432830, 240865660]

約数ペア:

[(1, 240865660), (2, 120432830), (4, 60216415), (5, 48173132), (7, 34409380), (10, 24086566), (14, 17204690), (19, 12677140), (20, 12043283), (23, 10472420), (28, 8602345), (31, 7769860), (35, 6881876), (38, 6338570), (46, 5236210), (62, 3884930), (70, 3440938), (76, 3169285), (92, 2618105), (95, 2535428), (115, 2094484), (124, 1942465), (127, 1896580), (133, 1811020), (140, 1720469), (155, 1553972), (161, 1496060), (190, 1267714), (217, 1109980), (230, 1047242), (254, 948290), (266, 905510), (310, 776986), (322, 748030), (380, 633857), (434, 554990), (437, 551180), (460, 523621), (508, 474145), (532, 452755), (589, 408940), (620, 388493), (635, 379316), (644, 374015), (665, 362204), (713, 337820), (805, 299212), (868, 277495), (874, 275590), (889, 270940), (1085, 221996), (1178, 204470), (1270, 189658), (1330, 181102), (1426, 168910), (1610, 149606), (1748, 137795), (1778, 135470), (2170, 110998), (2185, 110236), (2356, 102235), (2413, 99820), (2540, 94829), (2660, 90551), (2852, 84455), (2921, 82460), (2945, 81788), (3059, 78740), (3220, 74803), (3556, 67735), (3565, 67564), (3937, 61180), (4123, 58420), (4340, 55499), (4370, 55118), (4445, 54188), (4826, 49910), (4991, 48260), (5842, 41230), (5890, 40894), (6118, 39370), (7130, 33782), (7874, 30590), (8246, 29210), (8740, 27559), (8890, 27094), (9652, 24955), (9982, 24130), (11684, 20615), (11780, 20447), (12065, 19964), (12236, 19685), (13547, 17780), (14260, 16891), (14605, 16492), (15295, 15748)]