81672840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1609}}^1$

素因数の和:1676

約数の個数: 128

約数和(自身を含む): 278208000

約数和(自身を除く): 196535160

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, 360, 376, 423, 470, 540, 564, 705, 846, 940, 1080, 1128, 1269, 1410, 1609, 1692, 1880, 2115, 2538, 2820, 3218, 3384, 4230, 4827, 5076, 5640, 6345, 6436, 8045, 8460, 9654, 10152, 12690, 12872, 14481, 16090, 16920, 19308, 24135, 25380, 28962, 32180, 38616, 43443, 48270, 50760, 57924, 64360, 72405, 75623, 86886, 96540, 115848, 144810, 151246, 173772, 193080, 217215, 226869, 289620, 302492, 347544, 378115, 434430, 453738, 579240, 604984, 680607, 756230, 868860, 907476, 1134345, 1361214, 1512460, 1737720, 1814952, 2041821, 2268690, 2722428, 3024920, 3403035, 4083642, 4537380, 5444856, 6806070, 8167284, 9074760, 10209105, 13612140, 16334568, 20418210, 27224280, 40836420, 81672840]

約数ペア:

[(1, 81672840), (2, 40836420), (3, 27224280), (4, 20418210), (5, 16334568), (6, 13612140), (8, 10209105), (9, 9074760), (10, 8167284), (12, 6806070), (15, 5444856), (18, 4537380), (20, 4083642), (24, 3403035), (27, 3024920), (30, 2722428), (36, 2268690), (40, 2041821), (45, 1814952), (47, 1737720), (54, 1512460), (60, 1361214), (72, 1134345), (90, 907476), (94, 868860), (108, 756230), (120, 680607), (135, 604984), (141, 579240), (180, 453738), (188, 434430), (216, 378115), (235, 347544), (270, 302492), (282, 289620), (360, 226869), (376, 217215), (423, 193080), (470, 173772), (540, 151246), (564, 144810), (705, 115848), (846, 96540), (940, 86886), (1080, 75623), (1128, 72405), (1269, 64360), (1410, 57924), (1609, 50760), (1692, 48270), (1880, 43443), (2115, 38616), (2538, 32180), (2820, 28962), (3218, 25380), (3384, 24135), (4230, 19308), (4827, 16920), (5076, 16090), (5640, 14481), (6345, 12872), (6436, 12690), (8045, 10152), (8460, 9654)]