1520658540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{444637}}^1$

素因数の和:444671

約数の個数: 72

約数和(自身を含む): 4855446960

約数和(自身を除く): 3334788420

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, 444637, 889274, 1333911, 1778548, 2223185, 2667822, 4001733, 4446370, 5335644, 6669555, 8003466, 8448103, 8892740, 13339110, 16006932, 16896206, 20008665, 25344309, 26678220, 33792412, 40017330, 42240515, 50688618, 76032927, 80034660, 84481030, 101377236, 126721545, 152065854, 168962060, 253443090, 304131708, 380164635, 506886180, 760329270, 1520658540]

約数ペア:

[(1, 1520658540), (2, 760329270), (3, 506886180), (4, 380164635), (5, 304131708), (6, 253443090), (9, 168962060), (10, 152065854), (12, 126721545), (15, 101377236), (18, 84481030), (19, 80034660), (20, 76032927), (30, 50688618), (36, 42240515), (38, 40017330), (45, 33792412), (57, 26678220), (60, 25344309), (76, 20008665), (90, 16896206), (95, 16006932), (114, 13339110), (171, 8892740), (180, 8448103), (190, 8003466), (228, 6669555), (285, 5335644), (342, 4446370), (380, 4001733), (570, 2667822), (684, 2223185), (855, 1778548), (1140, 1333911), (1710, 889274), (3420, 444637)]