4401920

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 11160240

約数和(自身を除く): 6758320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 181, 190, 256, 304, 320, 362, 380, 608, 640, 724, 760, 905, 1216, 1280, 1448, 1520, 1810, 2432, 2896, 3040, 3439, 3620, 4864, 5792, 6080, 6878, 7240, 11584, 12160, 13756, 14480, 17195, 23168, 24320, 27512, 28960, 34390, 46336, 55024, 57920, 68780, 110048, 115840, 137560, 220096, 231680, 275120, 440192, 550240, 880384, 1100480, 2200960, 4401920]

約数ペア:

[(1, 4401920), (2, 2200960), (4, 1100480), (5, 880384), (8, 550240), (10, 440192), (16, 275120), (19, 231680), (20, 220096), (32, 137560), (38, 115840), (40, 110048), (64, 68780), (76, 57920), (80, 55024), (95, 46336), (128, 34390), (152, 28960), (160, 27512), (181, 24320), (190, 23168), (256, 17195), (304, 14480), (320, 13756), (362, 12160), (380, 11584), (608, 7240), (640, 6878), (724, 6080), (760, 5792), (905, 4864), (1216, 3620), (1280, 3439), (1448, 3040), (1520, 2896), (1810, 2432)]