88981760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{9931}}^1$

素因数の和:9959

約数の個数: 72

約数和(自身を含む): 243612096

約数和(自身を除く): 154630336

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, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 9931, 19862, 39724, 49655, 69517, 79448, 99310, 139034, 158896, 198620, 278068, 317792, 347585, 397240, 556136, 635584, 695170, 794480, 1112272, 1271168, 1390340, 1588960, 2224544, 2542336, 2780680, 3177920, 4449088, 5561360, 6355840, 8898176, 11122720, 12711680, 17796352, 22245440, 44490880, 88981760]

約数ペア:

[(1, 88981760), (2, 44490880), (4, 22245440), (5, 17796352), (7, 12711680), (8, 11122720), (10, 8898176), (14, 6355840), (16, 5561360), (20, 4449088), (28, 3177920), (32, 2780680), (35, 2542336), (40, 2224544), (56, 1588960), (64, 1390340), (70, 1271168), (80, 1112272), (112, 794480), (128, 695170), (140, 635584), (160, 556136), (224, 397240), (256, 347585), (280, 317792), (320, 278068), (448, 198620), (560, 158896), (640, 139034), (896, 99310), (1120, 79448), (1280, 69517), (1792, 49655), (2240, 39724), (4480, 19862), (8960, 9931)]