139690880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31181}}^1$

素因数の和:31207

約数の個数: 64

約数和(自身を含む): 381667680

約数和(自身を除く): 241976800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 31181, 62362, 124724, 155905, 218267, 249448, 311810, 436534, 498896, 623620, 873068, 997792, 1091335, 1247240, 1746136, 1995584, 2182670, 2494480, 3492272, 3991168, 4365340, 4988960, 6984544, 8730680, 9977920, 13969088, 17461360, 19955840, 27938176, 34922720, 69845440, 139690880]

約数ペア:

[(1, 139690880), (2, 69845440), (4, 34922720), (5, 27938176), (7, 19955840), (8, 17461360), (10, 13969088), (14, 9977920), (16, 8730680), (20, 6984544), (28, 4988960), (32, 4365340), (35, 3991168), (40, 3492272), (56, 2494480), (64, 2182670), (70, 1995584), (80, 1746136), (112, 1247240), (128, 1091335), (140, 997792), (160, 873068), (224, 623620), (280, 498896), (320, 436534), (448, 311810), (560, 249448), (640, 218267), (896, 155905), (1120, 124724), (2240, 62362), (4480, 31181)]