28016340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 91699776

約数和(自身を除く): 63683436

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 121, 132, 165, 170, 187, 204, 220, 227, 242, 255, 330, 340, 363, 374, 454, 484, 510, 561, 605, 660, 681, 726, 748, 908, 935, 1020, 1122, 1135, 1210, 1362, 1452, 1815, 1870, 2057, 2244, 2270, 2420, 2497, 2724, 2805, 3405, 3630, 3740, 3859, 4114, 4540, 4994, 5610, 6171, 6810, 7260, 7491, 7718, 8228, 9988, 10285, 11220, 11577, 12342, 12485, 13620, 14982, 15436, 19295, 20570, 23154, 24684, 24970, 27467, 29964, 30855, 37455, 38590, 41140, 42449, 46308, 49940, 54934, 57885, 61710, 74910, 77180, 82401, 84898, 109868, 115770, 123420, 127347, 137335, 149820, 164802, 169796, 212245, 231540, 254694, 274670, 329604, 412005, 424490, 466939, 509388, 549340, 636735, 824010, 848980, 933878, 1273470, 1400817, 1648020, 1867756, 2334695, 2546940, 2801634, 4669390, 5603268, 7004085, 9338780, 14008170, 28016340]

約数ペア:

[(1, 28016340), (2, 14008170), (3, 9338780), (4, 7004085), (5, 5603268), (6, 4669390), (10, 2801634), (11, 2546940), (12, 2334695), (15, 1867756), (17, 1648020), (20, 1400817), (22, 1273470), (30, 933878), (33, 848980), (34, 824010), (44, 636735), (51, 549340), (55, 509388), (60, 466939), (66, 424490), (68, 412005), (85, 329604), (102, 274670), (110, 254694), (121, 231540), (132, 212245), (165, 169796), (170, 164802), (187, 149820), (204, 137335), (220, 127347), (227, 123420), (242, 115770), (255, 109868), (330, 84898), (340, 82401), (363, 77180), (374, 74910), (454, 61710), (484, 57885), (510, 54934), (561, 49940), (605, 46308), (660, 42449), (681, 41140), (726, 38590), (748, 37455), (908, 30855), (935, 29964), (1020, 27467), (1122, 24970), (1135, 24684), (1210, 23154), (1362, 20570), (1452, 19295), (1815, 15436), (1870, 14982), (2057, 13620), (2244, 12485), (2270, 12342), (2420, 11577), (2497, 11220), (2724, 10285), (2805, 9988), (3405, 8228), (3630, 7718), (3740, 7491), (3859, 7260), (4114, 6810), (4540, 6171), (4994, 5610)]