161017600

素因数分解:

$2^8\times 5^2\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:346

約数の個数: 108

約数和(自身を含む): 403628680

約数和(自身を除く): 242611080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 139, 160, 181, 200, 256, 278, 320, 362, 400, 556, 640, 695, 724, 800, 905, 1112, 1280, 1390, 1448, 1600, 1810, 2224, 2780, 2896, 3200, 3475, 3620, 4448, 4525, 5560, 5792, 6400, 6950, 7240, 8896, 9050, 11120, 11584, 13900, 14480, 17792, 18100, 22240, 23168, 25159, 27800, 28960, 35584, 36200, 44480, 46336, 50318, 55600, 57920, 72400, 88960, 100636, 111200, 115840, 125795, 144800, 177920, 201272, 222400, 231680, 251590, 289600, 402544, 444800, 503180, 579200, 628975, 805088, 889600, 1006360, 1158400, 1257950, 1610176, 2012720, 2515900, 3220352, 4025440, 5031800, 6440704, 8050880, 10063600, 16101760, 20127200, 32203520, 40254400, 80508800, 161017600]

約数ペア:

[(1, 161017600), (2, 80508800), (4, 40254400), (5, 32203520), (8, 20127200), (10, 16101760), (16, 10063600), (20, 8050880), (25, 6440704), (32, 5031800), (40, 4025440), (50, 3220352), (64, 2515900), (80, 2012720), (100, 1610176), (128, 1257950), (139, 1158400), (160, 1006360), (181, 889600), (200, 805088), (256, 628975), (278, 579200), (320, 503180), (362, 444800), (400, 402544), (556, 289600), (640, 251590), (695, 231680), (724, 222400), (800, 201272), (905, 177920), (1112, 144800), (1280, 125795), (1390, 115840), (1448, 111200), (1600, 100636), (1810, 88960), (2224, 72400), (2780, 57920), (2896, 55600), (3200, 50318), (3475, 46336), (3620, 44480), (4448, 36200), (4525, 35584), (5560, 28960), (5792, 27800), (6400, 25159), (6950, 23168), (7240, 22240), (8896, 18100), (9050, 17792), (11120, 14480), (11584, 13900)]