28311390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 81285120

約数和(自身を除く): 52973730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 47, 54, 69, 90, 94, 97, 115, 135, 138, 141, 194, 207, 230, 235, 270, 282, 291, 345, 414, 423, 470, 485, 582, 621, 690, 705, 846, 873, 970, 1035, 1081, 1242, 1269, 1410, 1455, 1746, 2070, 2115, 2162, 2231, 2538, 2619, 2910, 3105, 3243, 4230, 4365, 4462, 4559, 5238, 5405, 6210, 6345, 6486, 6693, 8730, 9118, 9729, 10810, 11155, 12690, 13095, 13386, 13677, 16215, 19458, 20079, 22310, 22795, 26190, 27354, 29187, 32430, 33465, 40158, 41031, 45590, 48645, 58374, 60237, 66930, 68385, 82062, 97290, 100395, 104857, 120474, 123093, 136770, 145935, 200790, 205155, 209714, 246186, 291870, 301185, 314571, 410310, 524285, 602370, 615465, 629142, 943713, 1048570, 1230930, 1572855, 1887426, 2831139, 3145710, 4718565, 5662278, 9437130, 14155695, 28311390]

約数ペア:

[(1, 28311390), (2, 14155695), (3, 9437130), (5, 5662278), (6, 4718565), (9, 3145710), (10, 2831139), (15, 1887426), (18, 1572855), (23, 1230930), (27, 1048570), (30, 943713), (45, 629142), (46, 615465), (47, 602370), (54, 524285), (69, 410310), (90, 314571), (94, 301185), (97, 291870), (115, 246186), (135, 209714), (138, 205155), (141, 200790), (194, 145935), (207, 136770), (230, 123093), (235, 120474), (270, 104857), (282, 100395), (291, 97290), (345, 82062), (414, 68385), (423, 66930), (470, 60237), (485, 58374), (582, 48645), (621, 45590), (690, 41031), (705, 40158), (846, 33465), (873, 32430), (970, 29187), (1035, 27354), (1081, 26190), (1242, 22795), (1269, 22310), (1410, 20079), (1455, 19458), (1746, 16215), (2070, 13677), (2115, 13386), (2162, 13095), (2231, 12690), (2538, 11155), (2619, 10810), (2910, 9729), (3105, 9118), (3243, 8730), (4230, 6693), (4365, 6486), (4462, 6345), (4559, 6210), (5238, 5405)]