156810880

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2753}}^1$

素因数の和:2861

約数の個数: 64

約数和(自身を含む): 379225800

約数和(自身を除く): 222414920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 1424, 1780, 2753, 2848, 3560, 5506, 5696, 7120, 11012, 11392, 13765, 14240, 22024, 27530, 28480, 44048, 55060, 56960, 88096, 110120, 176192, 220240, 245017, 352384, 440480, 490034, 880960, 980068, 1225085, 1761920, 1960136, 2450170, 3920272, 4900340, 7840544, 9800680, 15681088, 19601360, 31362176, 39202720, 78405440, 156810880]

約数ペア:

[(1, 156810880), (2, 78405440), (4, 39202720), (5, 31362176), (8, 19601360), (10, 15681088), (16, 9800680), (20, 7840544), (32, 4900340), (40, 3920272), (64, 2450170), (80, 1960136), (89, 1761920), (128, 1225085), (160, 980068), (178, 880960), (320, 490034), (356, 440480), (445, 352384), (640, 245017), (712, 220240), (890, 176192), (1424, 110120), (1780, 88096), (2753, 56960), (2848, 55060), (3560, 44048), (5506, 28480), (5696, 27530), (7120, 22024), (11012, 14240), (11392, 13765)]