28639805880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1231}}^1\times {\mathrm{27697}}^1$

素因数の和:28949

約数の個数: 128

約数和(自身を含む): 98276935680

約数和(自身を除く): 69637129800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1231, 2462, 3693, 4924, 6155, 7386, 8617, 9848, 12310, 14772, 17234, 18465, 24620, 25851, 27697, 29544, 34468, 36930, 43085, 49240, 51702, 55394, 68936, 73860, 83091, 86170, 103404, 110788, 129255, 138485, 147720, 166182, 172340, 193879, 206808, 221576, 258510, 276970, 332364, 344680, 387758, 415455, 517020, 553940, 581637, 664728, 775516, 830910, 969395, 1034040, 1107880, 1163274, 1551032, 1661820, 1938790, 2326548, 2908185, 3323640, 3877580, 4653096, 5816370, 7755160, 11632740, 23265480, 34095007, 68190014, 102285021, 136380028, 170475035, 204570042, 238665049, 272760056, 340950070, 409140084, 477330098, 511425105, 681900140, 715995147, 818280168, 954660196, 1022850210, 1193325245, 1363800280, 1431990294, 1909320392, 2045700420, 2386650490, 2863980588, 3579975735, 4091400840, 4773300980, 5727961176, 7159951470, 9546601960, 14319902940, 28639805880]

約数ペア:

[(1, 28639805880), (2, 14319902940), (3, 9546601960), (4, 7159951470), (5, 5727961176), (6, 4773300980), (7, 4091400840), (8, 3579975735), (10, 2863980588), (12, 2386650490), (14, 2045700420), (15, 1909320392), (20, 1431990294), (21, 1363800280), (24, 1193325245), (28, 1022850210), (30, 954660196), (35, 818280168), (40, 715995147), (42, 681900140), (56, 511425105), (60, 477330098), (70, 409140084), (84, 340950070), (105, 272760056), (120, 238665049), (140, 204570042), (168, 170475035), (210, 136380028), (280, 102285021), (420, 68190014), (840, 34095007), (1231, 23265480), (2462, 11632740), (3693, 7755160), (4924, 5816370), (6155, 4653096), (7386, 3877580), (8617, 3323640), (9848, 2908185), (12310, 2326548), (14772, 1938790), (17234, 1661820), (18465, 1551032), (24620, 1163274), (25851, 1107880), (27697, 1034040), (29544, 969395), (34468, 830910), (36930, 775516), (43085, 664728), (49240, 581637), (51702, 553940), (55394, 517020), (68936, 415455), (73860, 387758), (83091, 344680), (86170, 332364), (103404, 276970), (110788, 258510), (129255, 221576), (138485, 206808), (147720, 193879), (166182, 172340)]