81559140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3373}}^1$

素因数の和:3429

約数の個数: 96

約数和(自身を含む): 253940736

約数和(自身を除く): 172381596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 3373, 4030, 4836, 6045, 6746, 8060, 10119, 12090, 13492, 16865, 20238, 24180, 33730, 40476, 43849, 50595, 67460, 87698, 101190, 104563, 131547, 175396, 202380, 209126, 219245, 263094, 313689, 418252, 438490, 522815, 526188, 627378, 657735, 876980, 1045630, 1254756, 1315470, 1359319, 1568445, 2091260, 2630940, 2718638, 3136890, 4077957, 5437276, 6273780, 6796595, 8155914, 13593190, 16311828, 20389785, 27186380, 40779570, 81559140]

約数ペア:

[(1, 81559140), (2, 40779570), (3, 27186380), (4, 20389785), (5, 16311828), (6, 13593190), (10, 8155914), (12, 6796595), (13, 6273780), (15, 5437276), (20, 4077957), (26, 3136890), (30, 2718638), (31, 2630940), (39, 2091260), (52, 1568445), (60, 1359319), (62, 1315470), (65, 1254756), (78, 1045630), (93, 876980), (124, 657735), (130, 627378), (155, 526188), (156, 522815), (186, 438490), (195, 418252), (260, 313689), (310, 263094), (372, 219245), (390, 209126), (403, 202380), (465, 175396), (620, 131547), (780, 104563), (806, 101190), (930, 87698), (1209, 67460), (1612, 50595), (1860, 43849), (2015, 40476), (2418, 33730), (3373, 24180), (4030, 20238), (4836, 16865), (6045, 13492), (6746, 12090), (8060, 10119)]