647543040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{168631}}^1$

素因数の和:168655

約数の個数: 72

約数和(自身を含む): 2068102848

約数和(自身を除く): 1420559808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 168631, 337262, 505893, 674524, 843155, 1011786, 1349048, 1686310, 2023572, 2529465, 2698096, 3372620, 4047144, 5058930, 5396192, 6745240, 8094288, 10117860, 10792384, 13490480, 16188576, 20235720, 21584768, 26980960, 32377152, 40471440, 43169536, 53961920, 64754304, 80942880, 107923840, 129508608, 161885760, 215847680, 323771520, 647543040]

約数ペア:

[(1, 647543040), (2, 323771520), (3, 215847680), (4, 161885760), (5, 129508608), (6, 107923840), (8, 80942880), (10, 64754304), (12, 53961920), (15, 43169536), (16, 40471440), (20, 32377152), (24, 26980960), (30, 21584768), (32, 20235720), (40, 16188576), (48, 13490480), (60, 10792384), (64, 10117860), (80, 8094288), (96, 6745240), (120, 5396192), (128, 5058930), (160, 4047144), (192, 3372620), (240, 2698096), (256, 2529465), (320, 2023572), (384, 1686310), (480, 1349048), (640, 1011786), (768, 843155), (960, 674524), (1280, 505893), (1920, 337262), (3840, 168631)]