81541530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{373}}^1$

素因数の和:740

約数の個数: 96

約数和(自身を含む): 243644544

約数和(自身を除く): 162103014

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 347, 373, 630, 694, 746, 1041, 1119, 1735, 1865, 2082, 2238, 2429, 2611, 3123, 3357, 3470, 3730, 4858, 5205, 5222, 5595, 6246, 6714, 7287, 7833, 10410, 11190, 12145, 13055, 14574, 15615, 15666, 16785, 21861, 23499, 24290, 26110, 31230, 33570, 36435, 39165, 43722, 46998, 72870, 78330, 109305, 117495, 129431, 218610, 234990, 258862, 388293, 647155, 776586, 906017, 1164879, 1294310, 1812034, 1941465, 2329758, 2718051, 3882930, 4530085, 5436102, 5824395, 8154153, 9060170, 11648790, 13590255, 16308306, 27180510, 40770765, 81541530]

約数ペア:

[(1, 81541530), (2, 40770765), (3, 27180510), (5, 16308306), (6, 13590255), (7, 11648790), (9, 9060170), (10, 8154153), (14, 5824395), (15, 5436102), (18, 4530085), (21, 3882930), (30, 2718051), (35, 2329758), (42, 1941465), (45, 1812034), (63, 1294310), (70, 1164879), (90, 906017), (105, 776586), (126, 647155), (210, 388293), (315, 258862), (347, 234990), (373, 218610), (630, 129431), (694, 117495), (746, 109305), (1041, 78330), (1119, 72870), (1735, 46998), (1865, 43722), (2082, 39165), (2238, 36435), (2429, 33570), (2611, 31230), (3123, 26110), (3357, 24290), (3470, 23499), (3730, 21861), (4858, 16785), (5205, 15666), (5222, 15615), (5595, 14574), (6246, 13055), (6714, 12145), (7287, 11190), (7833, 10410)]