722149020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{445771}}^1$

素因数の和:445792

約数の個数: 60

約数和(自身を含む): 2265413304

約数和(自身を除く): 1543264284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 445771, 891542, 1337313, 1783084, 2228855, 2674626, 4011939, 4457710, 5349252, 6686565, 8023878, 8915420, 12035817, 13373130, 16047756, 20059695, 24071634, 26746260, 36107451, 40119390, 48143268, 60179085, 72214902, 80238780, 120358170, 144429804, 180537255, 240716340, 361074510, 722149020]

約数ペア:

[(1, 722149020), (2, 361074510), (3, 240716340), (4, 180537255), (5, 144429804), (6, 120358170), (9, 80238780), (10, 72214902), (12, 60179085), (15, 48143268), (18, 40119390), (20, 36107451), (27, 26746260), (30, 24071634), (36, 20059695), (45, 16047756), (54, 13373130), (60, 12035817), (81, 8915420), (90, 8023878), (108, 6686565), (135, 5349252), (162, 4457710), (180, 4011939), (270, 2674626), (324, 2228855), (405, 1783084), (540, 1337313), (810, 891542), (1620, 445771)]