120180915

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 225907968

約数和(自身を除く): 105727053

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 67, 81, 103, 129, 135, 201, 215, 309, 335, 387, 405, 515, 603, 645, 927, 1005, 1161, 1545, 1809, 1935, 2781, 2881, 3015, 3483, 4429, 4635, 5427, 5805, 6901, 8343, 8643, 9045, 13287, 13905, 14405, 17415, 20703, 22145, 25929, 27135, 34505, 39861, 41715, 43215, 62109, 66435, 77787, 103515, 119583, 129645, 186327, 199305, 233361, 296743, 310545, 358749, 388935, 558981, 597915, 890229, 931635, 1166805, 1483715, 1793745, 2670687, 2794905, 4451145, 8012061, 13353435, 24036183, 40060305, 120180915]

約数ペア:

[(1, 120180915), (3, 40060305), (5, 24036183), (9, 13353435), (15, 8012061), (27, 4451145), (43, 2794905), (45, 2670687), (67, 1793745), (81, 1483715), (103, 1166805), (129, 931635), (135, 890229), (201, 597915), (215, 558981), (309, 388935), (335, 358749), (387, 310545), (405, 296743), (515, 233361), (603, 199305), (645, 186327), (927, 129645), (1005, 119583), (1161, 103515), (1545, 77787), (1809, 66435), (1935, 62109), (2781, 43215), (2881, 41715), (3015, 39861), (3483, 34505), (4429, 27135), (4635, 25929), (5427, 22145), (5805, 20703), (6901, 17415), (8343, 14405), (8643, 13905), (9045, 13287)]