218717040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{911321}}^1$

素因数の和:911337

約数の個数: 40

約数和(自身を含む): 678023568

約数和(自身を除く): 459306528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 911321, 1822642, 2733963, 3645284, 4556605, 5467926, 7290568, 9113210, 10935852, 13669815, 14581136, 18226420, 21871704, 27339630, 36452840, 43743408, 54679260, 72905680, 109358520, 218717040]

約数ペア:

[(1, 218717040), (2, 109358520), (3, 72905680), (4, 54679260), (5, 43743408), (6, 36452840), (8, 27339630), (10, 21871704), (12, 18226420), (15, 14581136), (16, 13669815), (20, 10935852), (24, 9113210), (30, 7290568), (40, 5467926), (48, 4556605), (60, 3645284), (80, 2733963), (120, 1822642), (240, 911321)]