81577260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7951}}^1$

素因数の和:7988

約数の個数: 96

約数和(自身を含む): 267187200

約数和(自身を除く): 185609940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 7951, 10260, 15902, 23853, 31804, 39755, 47706, 71559, 79510, 95412, 119265, 143118, 151069, 159020, 214677, 238530, 286236, 302138, 357795, 429354, 453207, 477060, 604276, 715590, 755345, 858708, 906414, 1073385, 1359621, 1431180, 1510690, 1812828, 2146770, 2266035, 2719242, 3021380, 4078863, 4293540, 4532070, 5438484, 6798105, 8157726, 9064140, 13596210, 16315452, 20394315, 27192420, 40788630, 81577260]

約数ペア:

[(1, 81577260), (2, 40788630), (3, 27192420), (4, 20394315), (5, 16315452), (6, 13596210), (9, 9064140), (10, 8157726), (12, 6798105), (15, 5438484), (18, 4532070), (19, 4293540), (20, 4078863), (27, 3021380), (30, 2719242), (36, 2266035), (38, 2146770), (45, 1812828), (54, 1510690), (57, 1431180), (60, 1359621), (76, 1073385), (90, 906414), (95, 858708), (108, 755345), (114, 715590), (135, 604276), (171, 477060), (180, 453207), (190, 429354), (228, 357795), (270, 302138), (285, 286236), (342, 238530), (380, 214677), (513, 159020), (540, 151069), (570, 143118), (684, 119265), (855, 95412), (1026, 79510), (1140, 71559), (1710, 47706), (2052, 39755), (2565, 31804), (3420, 23853), (5130, 15902), (7951, 10260)]