81228960

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{18803}}^1$

素因数の和:18827

約数の個数: 96

約数和(自身を含む): 284316480

約数和(自身を除く): 203087520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 18803, 37606, 56409, 75212, 94015, 112818, 150424, 169227, 188030, 225636, 282045, 300848, 338454, 376060, 451272, 507681, 564090, 601696, 676908, 752120, 846135, 902544, 1015362, 1128180, 1353816, 1504240, 1692270, 1805088, 2030724, 2256360, 2538405, 2707632, 3008480, 3384540, 4061448, 4512720, 5076810, 5415264, 6769080, 8122896, 9025440, 10153620, 13538160, 16245792, 20307240, 27076320, 40614480, 81228960]

約数ペア:

[(1, 81228960), (2, 40614480), (3, 27076320), (4, 20307240), (5, 16245792), (6, 13538160), (8, 10153620), (9, 9025440), (10, 8122896), (12, 6769080), (15, 5415264), (16, 5076810), (18, 4512720), (20, 4061448), (24, 3384540), (27, 3008480), (30, 2707632), (32, 2538405), (36, 2256360), (40, 2030724), (45, 1805088), (48, 1692270), (54, 1504240), (60, 1353816), (72, 1128180), (80, 1015362), (90, 902544), (96, 846135), (108, 752120), (120, 676908), (135, 601696), (144, 564090), (160, 507681), (180, 451272), (216, 376060), (240, 338454), (270, 300848), (288, 282045), (360, 225636), (432, 188030), (480, 169227), (540, 150424), (720, 112818), (864, 94015), (1080, 75212), (1440, 56409), (2160, 37606), (4320, 18803)]