30780855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 66393600

約数和(自身を除く): 35612745

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 37, 45, 57, 63, 95, 105, 111, 133, 139, 171, 185, 259, 285, 315, 333, 399, 417, 555, 665, 695, 703, 777, 855, 973, 1197, 1251, 1295, 1665, 1995, 2085, 2109, 2331, 2641, 2919, 3515, 3885, 4865, 4921, 5143, 5985, 6255, 6327, 7923, 8757, 10545, 11655, 13205, 14595, 14763, 15429, 18487, 23769, 24605, 25715, 31635, 36001, 39615, 43785, 44289, 46287, 55461, 73815, 77145, 92435, 97717, 108003, 118845, 166383, 180005, 221445, 231435, 277305, 293151, 324009, 488585, 540015, 684019, 831915, 879453, 1465755, 1620045, 2052057, 3420095, 4397265, 6156171, 10260285, 30780855]

約数ペア:

[(1, 30780855), (3, 10260285), (5, 6156171), (7, 4397265), (9, 3420095), (15, 2052057), (19, 1620045), (21, 1465755), (35, 879453), (37, 831915), (45, 684019), (57, 540015), (63, 488585), (95, 324009), (105, 293151), (111, 277305), (133, 231435), (139, 221445), (171, 180005), (185, 166383), (259, 118845), (285, 108003), (315, 97717), (333, 92435), (399, 77145), (417, 73815), (555, 55461), (665, 46287), (695, 44289), (703, 43785), (777, 39615), (855, 36001), (973, 31635), (1197, 25715), (1251, 24605), (1295, 23769), (1665, 18487), (1995, 15429), (2085, 14763), (2109, 14595), (2331, 13205), (2641, 11655), (2919, 10545), (3515, 8757), (3885, 7923), (4865, 6327), (4921, 6255), (5143, 5985)]