280517220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1777}}^1$

素因数の和:2669

約数の個数: 72

約数和(自身を含む): 852351864

約数和(自身を除く): 571834644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 877, 1754, 1777, 2631, 3508, 3554, 4385, 5262, 5331, 7108, 7893, 8770, 8885, 10524, 10662, 13155, 15786, 15993, 17540, 17770, 21324, 26310, 26655, 31572, 31986, 35540, 39465, 52620, 53310, 63972, 78930, 79965, 106620, 157860, 159930, 319860, 1558429, 3116858, 4675287, 6233716, 7792145, 9350574, 14025861, 15584290, 18701148, 23376435, 28051722, 31168580, 46752870, 56103444, 70129305, 93505740, 140258610, 280517220]

約数ペア:

[(1, 280517220), (2, 140258610), (3, 93505740), (4, 70129305), (5, 56103444), (6, 46752870), (9, 31168580), (10, 28051722), (12, 23376435), (15, 18701148), (18, 15584290), (20, 14025861), (30, 9350574), (36, 7792145), (45, 6233716), (60, 4675287), (90, 3116858), (180, 1558429), (877, 319860), (1754, 159930), (1777, 157860), (2631, 106620), (3508, 79965), (3554, 78930), (4385, 63972), (5262, 53310), (5331, 52620), (7108, 39465), (7893, 35540), (8770, 31986), (8885, 31572), (10524, 26655), (10662, 26310), (13155, 21324), (15786, 17770), (15993, 17540)]