81135990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2237}}^1$

素因数の和:2294

約数の個数: 96

約数和(自身を含む): 234614016

約数和(自身を除く): 153478026

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 45, 62, 65, 78, 90, 93, 117, 130, 155, 186, 195, 234, 279, 310, 390, 403, 465, 558, 585, 806, 930, 1170, 1209, 1395, 2015, 2237, 2418, 2790, 3627, 4030, 4474, 6045, 6711, 7254, 11185, 12090, 13422, 18135, 20133, 22370, 29081, 33555, 36270, 40266, 58162, 67110, 69347, 87243, 100665, 138694, 145405, 174486, 201330, 208041, 261729, 290810, 346735, 416082, 436215, 523458, 624123, 693470, 872430, 901511, 1040205, 1248246, 1308645, 1803022, 2080410, 2617290, 2704533, 3120615, 4507555, 5409066, 6241230, 8113599, 9015110, 13522665, 16227198, 27045330, 40567995, 81135990]

約数ペア:

[(1, 81135990), (2, 40567995), (3, 27045330), (5, 16227198), (6, 13522665), (9, 9015110), (10, 8113599), (13, 6241230), (15, 5409066), (18, 4507555), (26, 3120615), (30, 2704533), (31, 2617290), (39, 2080410), (45, 1803022), (62, 1308645), (65, 1248246), (78, 1040205), (90, 901511), (93, 872430), (117, 693470), (130, 624123), (155, 523458), (186, 436215), (195, 416082), (234, 346735), (279, 290810), (310, 261729), (390, 208041), (403, 201330), (465, 174486), (558, 145405), (585, 138694), (806, 100665), (930, 87243), (1170, 69347), (1209, 67110), (1395, 58162), (2015, 40266), (2237, 36270), (2418, 33555), (2790, 29081), (3627, 22370), (4030, 20133), (4474, 18135), (6045, 13422), (6711, 12090), (7254, 11185)]