1440097020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421081}}^1$

素因数の和:421115

約数の個数: 72

約数和(自身を含む): 4598215440

約数和(自身を除く): 3158118420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 421081, 842162, 1263243, 1684324, 2105405, 2526486, 3789729, 4210810, 5052972, 6316215, 7579458, 8000539, 8421620, 12632430, 15158916, 16001078, 18948645, 24001617, 25264860, 32002156, 37897290, 40002695, 48003234, 72004851, 75794580, 80005390, 96006468, 120008085, 144009702, 160010780, 240016170, 288019404, 360024255, 480032340, 720048510, 1440097020]

約数ペア:

[(1, 1440097020), (2, 720048510), (3, 480032340), (4, 360024255), (5, 288019404), (6, 240016170), (9, 160010780), (10, 144009702), (12, 120008085), (15, 96006468), (18, 80005390), (19, 75794580), (20, 72004851), (30, 48003234), (36, 40002695), (38, 37897290), (45, 32002156), (57, 25264860), (60, 24001617), (76, 18948645), (90, 16001078), (95, 15158916), (114, 12632430), (171, 8421620), (180, 8000539), (190, 7579458), (228, 6316215), (285, 5052972), (342, 4210810), (380, 3789729), (570, 2526486), (684, 2105405), (855, 1684324), (1140, 1263243), (1710, 842162), (3420, 421081)]