845047980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{670673}}^1$

素因数の和:670695

約数の個数: 72

約数和(自身を含む): 2929504032

約数和(自身を除く): 2084456052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 670673, 1341346, 2012019, 2682692, 3353365, 4024038, 4694711, 6036057, 6706730, 8048076, 9389422, 10060095, 12072114, 13413460, 14084133, 18778844, 20120190, 23473555, 24144228, 28168266, 30180285, 40240380, 42252399, 46947110, 56336532, 60360570, 70420665, 84504798, 93894220, 120721140, 140841330, 169009596, 211261995, 281682660, 422523990, 845047980]

約数ペア:

[(1, 845047980), (2, 422523990), (3, 281682660), (4, 211261995), (5, 169009596), (6, 140841330), (7, 120721140), (9, 93894220), (10, 84504798), (12, 70420665), (14, 60360570), (15, 56336532), (18, 46947110), (20, 42252399), (21, 40240380), (28, 30180285), (30, 28168266), (35, 24144228), (36, 23473555), (42, 20120190), (45, 18778844), (60, 14084133), (63, 13413460), (70, 12072114), (84, 10060095), (90, 9389422), (105, 8048076), (126, 6706730), (140, 6036057), (180, 4694711), (210, 4024038), (252, 3353365), (315, 2682692), (420, 2012019), (630, 1341346), (1260, 670673)]