2078201520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{9281}}^1$

素因数の和:9611

約数の個数: 120

約数和(自身を含む): 7002489312

約数和(自身を除く): 4924287792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 311, 360, 622, 720, 933, 1244, 1555, 1866, 2488, 2799, 3110, 3732, 4665, 4976, 5598, 6220, 7464, 9281, 9330, 11196, 12440, 13995, 14928, 18562, 18660, 22392, 24880, 27843, 27990, 37124, 37320, 44784, 46405, 55686, 55980, 74248, 74640, 83529, 92810, 111372, 111960, 139215, 148496, 167058, 185620, 222744, 223920, 278430, 334116, 371240, 417645, 445488, 556860, 668232, 742480, 835290, 1113720, 1336464, 1670580, 2227440, 2886391, 3341160, 5772782, 6682320, 8659173, 11545564, 14431955, 17318346, 23091128, 25977519, 28863910, 34636692, 43295865, 46182256, 51955038, 57727820, 69273384, 86591730, 103910076, 115455640, 129887595, 138546768, 173183460, 207820152, 230911280, 259775190, 346366920, 415640304, 519550380, 692733840, 1039100760, 2078201520]

約数ペア:

[(1, 2078201520), (2, 1039100760), (3, 692733840), (4, 519550380), (5, 415640304), (6, 346366920), (8, 259775190), (9, 230911280), (10, 207820152), (12, 173183460), (15, 138546768), (16, 129887595), (18, 115455640), (20, 103910076), (24, 86591730), (30, 69273384), (36, 57727820), (40, 51955038), (45, 46182256), (48, 43295865), (60, 34636692), (72, 28863910), (80, 25977519), (90, 23091128), (120, 17318346), (144, 14431955), (180, 11545564), (240, 8659173), (311, 6682320), (360, 5772782), (622, 3341160), (720, 2886391), (933, 2227440), (1244, 1670580), (1555, 1336464), (1866, 1113720), (2488, 835290), (2799, 742480), (3110, 668232), (3732, 556860), (4665, 445488), (4976, 417645), (5598, 371240), (6220, 334116), (7464, 278430), (9281, 223920), (9330, 222744), (11196, 185620), (12440, 167058), (13995, 148496), (14928, 139215), (18562, 111960), (18660, 111372), (22392, 92810), (24880, 83529), (27843, 74640), (27990, 74248), (37124, 55980), (37320, 55686), (44784, 46405)]