261491040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1607}}^1$

素因数の和:1741

約数の個数: 144

約数和(自身を含む): 900795168

約数和(自身を除く): 639304128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 113, 120, 144, 160, 180, 226, 240, 288, 339, 360, 452, 480, 565, 678, 720, 904, 1017, 1130, 1356, 1440, 1607, 1695, 1808, 2034, 2260, 2712, 3214, 3390, 3616, 4068, 4520, 4821, 5085, 5424, 6428, 6780, 8035, 8136, 9040, 9642, 10170, 10848, 12856, 13560, 14463, 16070, 16272, 18080, 19284, 20340, 24105, 25712, 27120, 28926, 32140, 32544, 38568, 40680, 48210, 51424, 54240, 57852, 64280, 72315, 77136, 81360, 96420, 115704, 128560, 144630, 154272, 162720, 181591, 192840, 231408, 257120, 289260, 363182, 385680, 462816, 544773, 578520, 726364, 771360, 907955, 1089546, 1157040, 1452728, 1634319, 1815910, 2179092, 2314080, 2723865, 2905456, 3268638, 3631820, 4358184, 5447730, 5810912, 6537276, 7263640, 8171595, 8716368, 10895460, 13074552, 14527280, 16343190, 17432736, 21790920, 26149104, 29054560, 32686380, 43581840, 52298208, 65372760, 87163680, 130745520, 261491040]

約数ペア:

[(1, 261491040), (2, 130745520), (3, 87163680), (4, 65372760), (5, 52298208), (6, 43581840), (8, 32686380), (9, 29054560), (10, 26149104), (12, 21790920), (15, 17432736), (16, 16343190), (18, 14527280), (20, 13074552), (24, 10895460), (30, 8716368), (32, 8171595), (36, 7263640), (40, 6537276), (45, 5810912), (48, 5447730), (60, 4358184), (72, 3631820), (80, 3268638), (90, 2905456), (96, 2723865), (113, 2314080), (120, 2179092), (144, 1815910), (160, 1634319), (180, 1452728), (226, 1157040), (240, 1089546), (288, 907955), (339, 771360), (360, 726364), (452, 578520), (480, 544773), (565, 462816), (678, 385680), (720, 363182), (904, 289260), (1017, 257120), (1130, 231408), (1356, 192840), (1440, 181591), (1607, 162720), (1695, 154272), (1808, 144630), (2034, 128560), (2260, 115704), (2712, 96420), (3214, 81360), (3390, 77136), (3616, 72315), (4068, 64280), (4520, 57852), (4821, 54240), (5085, 51424), (5424, 48210), (6428, 40680), (6780, 38568), (8035, 32544), (8136, 32140), (9040, 28926), (9642, 27120), (10170, 25712), (10848, 24105), (12856, 20340), (13560, 19284), (14463, 18080), (16070, 16272)]