68810280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{677}}^1$

素因数の和:720

約数の個数: 192

約数和(自身を含む): 259701120

約数和(自身を除く): 190890840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 121, 132, 140, 154, 165, 168, 210, 220, 231, 242, 264, 280, 308, 330, 363, 385, 420, 440, 462, 484, 605, 616, 660, 677, 726, 770, 840, 847, 924, 968, 1155, 1210, 1320, 1354, 1452, 1540, 1694, 1815, 1848, 2031, 2310, 2420, 2541, 2708, 2904, 3080, 3385, 3388, 3630, 4062, 4235, 4620, 4739, 4840, 5082, 5416, 6770, 6776, 7260, 7447, 8124, 8470, 9240, 9478, 10155, 10164, 12705, 13540, 14217, 14520, 14894, 16248, 16940, 18956, 20310, 20328, 22341, 23695, 25410, 27080, 28434, 29788, 33880, 37235, 37912, 40620, 44682, 47390, 50820, 52129, 56868, 59576, 71085, 74470, 81240, 81917, 89364, 94780, 101640, 104258, 111705, 113736, 142170, 148940, 156387, 163834, 178728, 189560, 208516, 223410, 245751, 260645, 284340, 297880, 312774, 327668, 409585, 417032, 446820, 491502, 521290, 568680, 573419, 625548, 655336, 781935, 819170, 893640, 983004, 1042580, 1146838, 1228755, 1251096, 1563870, 1638340, 1720257, 1966008, 2085160, 2293676, 2457510, 2867095, 3127740, 3276680, 3440514, 4587352, 4915020, 5734190, 6255480, 6881028, 8601285, 9830040, 11468380, 13762056, 17202570, 22936760, 34405140, 68810280]

約数ペア:

[(1, 68810280), (2, 34405140), (3, 22936760), (4, 17202570), (5, 13762056), (6, 11468380), (7, 9830040), (8, 8601285), (10, 6881028), (11, 6255480), (12, 5734190), (14, 4915020), (15, 4587352), (20, 3440514), (21, 3276680), (22, 3127740), (24, 2867095), (28, 2457510), (30, 2293676), (33, 2085160), (35, 1966008), (40, 1720257), (42, 1638340), (44, 1563870), (55, 1251096), (56, 1228755), (60, 1146838), (66, 1042580), (70, 983004), (77, 893640), (84, 819170), (88, 781935), (105, 655336), (110, 625548), (120, 573419), (121, 568680), (132, 521290), (140, 491502), (154, 446820), (165, 417032), (168, 409585), (210, 327668), (220, 312774), (231, 297880), (242, 284340), (264, 260645), (280, 245751), (308, 223410), (330, 208516), (363, 189560), (385, 178728), (420, 163834), (440, 156387), (462, 148940), (484, 142170), (605, 113736), (616, 111705), (660, 104258), (677, 101640), (726, 94780), (770, 89364), (840, 81917), (847, 81240), (924, 74470), (968, 71085), (1155, 59576), (1210, 56868), (1320, 52129), (1354, 50820), (1452, 47390), (1540, 44682), (1694, 40620), (1815, 37912), (1848, 37235), (2031, 33880), (2310, 29788), (2420, 28434), (2541, 27080), (2708, 25410), (2904, 23695), (3080, 22341), (3385, 20328), (3388, 20310), (3630, 18956), (4062, 16940), (4235, 16248), (4620, 14894), (4739, 14520), (4840, 14217), (5082, 13540), (5416, 12705), (6770, 10164), (6776, 10155), (7260, 9478), (7447, 9240), (8124, 8470)]