81138240

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{9391}}^1$

素因数の和:9417

約数の個数: 112

約数和(自身を含む): 286268160

約数和(自身を除く): 205129920

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, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 9391, 18782, 28173, 37564, 46955, 56346, 75128, 84519, 93910, 112692, 140865, 150256, 169038, 187820, 225384, 253557, 281730, 300512, 338076, 375640, 422595, 450768, 507114, 563460, 601024, 676152, 751280, 845190, 901536, 1014228, 1126920, 1267785, 1352304, 1502560, 1690380, 1803072, 2028456, 2253840, 2535570, 2704608, 3005120, 3380760, 4056912, 4507680, 5071140, 5409216, 6761520, 8113824, 9015360, 10142280, 13523040, 16227648, 20284560, 27046080, 40569120, 81138240]

約数ペア:

[(1, 81138240), (2, 40569120), (3, 27046080), (4, 20284560), (5, 16227648), (6, 13523040), (8, 10142280), (9, 9015360), (10, 8113824), (12, 6761520), (15, 5409216), (16, 5071140), (18, 4507680), (20, 4056912), (24, 3380760), (27, 3005120), (30, 2704608), (32, 2535570), (36, 2253840), (40, 2028456), (45, 1803072), (48, 1690380), (54, 1502560), (60, 1352304), (64, 1267785), (72, 1126920), (80, 1014228), (90, 901536), (96, 845190), (108, 751280), (120, 676152), (135, 601024), (144, 563460), (160, 507114), (180, 450768), (192, 422595), (216, 375640), (240, 338076), (270, 300512), (288, 281730), (320, 253557), (360, 225384), (432, 187820), (480, 169038), (540, 150256), (576, 140865), (720, 112692), (864, 93910), (960, 84519), (1080, 75128), (1440, 56346), (1728, 46955), (2160, 37564), (2880, 28173), (4320, 18782), (8640, 9391)]