163264720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2903}}^1$

素因数の和:2972

約数の個数: 80

約数和(自身を含む): 410509440

約数和(自身を除く): 247244720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1406, 1480, 1520, 2812, 2903, 2960, 3515, 5624, 5806, 7030, 11248, 11612, 14060, 14515, 23224, 28120, 29030, 46448, 55157, 56240, 58060, 107411, 110314, 116120, 214822, 220628, 232240, 275785, 429644, 441256, 537055, 551570, 859288, 882512, 1074110, 1103140, 1718576, 2040809, 2148220, 2206280, 4081618, 4296440, 4412560, 8163236, 8592880, 10204045, 16326472, 20408090, 32652944, 40816180, 81632360, 163264720]

約数ペア:

[(1, 163264720), (2, 81632360), (4, 40816180), (5, 32652944), (8, 20408090), (10, 16326472), (16, 10204045), (19, 8592880), (20, 8163236), (37, 4412560), (38, 4296440), (40, 4081618), (74, 2206280), (76, 2148220), (80, 2040809), (95, 1718576), (148, 1103140), (152, 1074110), (185, 882512), (190, 859288), (296, 551570), (304, 537055), (370, 441256), (380, 429644), (592, 275785), (703, 232240), (740, 220628), (760, 214822), (1406, 116120), (1480, 110314), (1520, 107411), (2812, 58060), (2903, 56240), (2960, 55157), (3515, 46448), (5624, 29030), (5806, 28120), (7030, 23224), (11248, 14515), (11612, 14060)]