17918280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:420

約数の個数: 128

約数和(自身を含む): 61171200

約数和(自身を除く): 43252920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 90, 94, 108, 120, 135, 141, 180, 188, 216, 235, 270, 282, 353, 360, 376, 423, 470, 540, 564, 705, 706, 846, 940, 1059, 1080, 1128, 1269, 1410, 1412, 1692, 1765, 1880, 2115, 2118, 2538, 2820, 2824, 3177, 3384, 3530, 4230, 4236, 5076, 5295, 5640, 6345, 6354, 7060, 8460, 8472, 9531, 10152, 10590, 12690, 12708, 14120, 15885, 16591, 16920, 19062, 21180, 25380, 25416, 31770, 33182, 38124, 42360, 47655, 49773, 50760, 63540, 66364, 76248, 82955, 95310, 99546, 127080, 132728, 149319, 165910, 190620, 199092, 248865, 298638, 331820, 381240, 398184, 447957, 497730, 597276, 663640, 746595, 895914, 995460, 1194552, 1493190, 1791828, 1990920, 2239785, 2986380, 3583656, 4479570, 5972760, 8959140, 17918280]

約数ペア:

[(1, 17918280), (2, 8959140), (3, 5972760), (4, 4479570), (5, 3583656), (6, 2986380), (8, 2239785), (9, 1990920), (10, 1791828), (12, 1493190), (15, 1194552), (18, 995460), (20, 895914), (24, 746595), (27, 663640), (30, 597276), (36, 497730), (40, 447957), (45, 398184), (47, 381240), (54, 331820), (60, 298638), (72, 248865), (90, 199092), (94, 190620), (108, 165910), (120, 149319), (135, 132728), (141, 127080), (180, 99546), (188, 95310), (216, 82955), (235, 76248), (270, 66364), (282, 63540), (353, 50760), (360, 49773), (376, 47655), (423, 42360), (470, 38124), (540, 33182), (564, 31770), (705, 25416), (706, 25380), (846, 21180), (940, 19062), (1059, 16920), (1080, 16591), (1128, 15885), (1269, 14120), (1410, 12708), (1412, 12690), (1692, 10590), (1765, 10152), (1880, 9531), (2115, 8472), (2118, 8460), (2538, 7060), (2820, 6354), (2824, 6345), (3177, 5640), (3384, 5295), (3530, 5076), (4230, 4236)]