155220615

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{983}}^1$

素因数の和:1045

約数の個数: 72

約数和(自身を含む): 306240480

約数和(自身を除く): 151019865

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 121, 145, 165, 261, 319, 363, 435, 495, 605, 957, 983, 1089, 1305, 1595, 1815, 2871, 2949, 3509, 4785, 4915, 5445, 8847, 10527, 10813, 14355, 14745, 17545, 28507, 31581, 32439, 44235, 52635, 54065, 85521, 97317, 118943, 142535, 157905, 162195, 256563, 313577, 356829, 427605, 486585, 594715, 940731, 1070487, 1282815, 1567885, 1784145, 2822193, 3449347, 4703655, 5352435, 10348041, 14110965, 17246735, 31044123, 51740205, 155220615]

約数ペア:

[(1, 155220615), (3, 51740205), (5, 31044123), (9, 17246735), (11, 14110965), (15, 10348041), (29, 5352435), (33, 4703655), (45, 3449347), (55, 2822193), (87, 1784145), (99, 1567885), (121, 1282815), (145, 1070487), (165, 940731), (261, 594715), (319, 486585), (363, 427605), (435, 356829), (495, 313577), (605, 256563), (957, 162195), (983, 157905), (1089, 142535), (1305, 118943), (1595, 97317), (1815, 85521), (2871, 54065), (2949, 52635), (3509, 44235), (4785, 32439), (4915, 31581), (5445, 28507), (8847, 17545), (10527, 14745), (10813, 14355)]