39519540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1213}}^1$

素因数の和:1409

約数の個数: 72

約数和(自身を含む): 120637608

約数和(自身を除く): 81118068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1213, 1629, 1810, 2172, 2426, 2715, 3258, 3620, 3639, 4852, 5430, 6065, 6516, 7278, 8145, 10860, 10917, 12130, 14556, 16290, 18195, 21834, 24260, 32580, 36390, 43668, 54585, 72780, 109170, 218340, 219553, 439106, 658659, 878212, 1097765, 1317318, 1975977, 2195530, 2634636, 3293295, 3951954, 4391060, 6586590, 7903908, 9879885, 13173180, 19759770, 39519540]

約数ペア:

[(1, 39519540), (2, 19759770), (3, 13173180), (4, 9879885), (5, 7903908), (6, 6586590), (9, 4391060), (10, 3951954), (12, 3293295), (15, 2634636), (18, 2195530), (20, 1975977), (30, 1317318), (36, 1097765), (45, 878212), (60, 658659), (90, 439106), (180, 219553), (181, 218340), (362, 109170), (543, 72780), (724, 54585), (905, 43668), (1086, 36390), (1213, 32580), (1629, 24260), (1810, 21834), (2172, 18195), (2426, 16290), (2715, 14556), (3258, 12130), (3620, 10917), (3639, 10860), (4852, 8145), (5430, 7278), (6065, 6516)]