15820740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6761}}^1$

素因数の和:6789

約数の個数: 72

約数和(自身を含む): 51688728

約数和(自身を除く): 35867988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 6761, 13522, 20283, 27044, 33805, 40566, 60849, 67610, 81132, 87893, 101415, 121698, 135220, 175786, 202830, 243396, 263679, 304245, 351572, 405660, 439465, 527358, 608490, 791037, 878930, 1054716, 1216980, 1318395, 1582074, 1757860, 2636790, 3164148, 3955185, 5273580, 7910370, 15820740]

約数ペア:

[(1, 15820740), (2, 7910370), (3, 5273580), (4, 3955185), (5, 3164148), (6, 2636790), (9, 1757860), (10, 1582074), (12, 1318395), (13, 1216980), (15, 1054716), (18, 878930), (20, 791037), (26, 608490), (30, 527358), (36, 439465), (39, 405660), (45, 351572), (52, 304245), (60, 263679), (65, 243396), (78, 202830), (90, 175786), (117, 135220), (130, 121698), (156, 101415), (180, 87893), (195, 81132), (234, 67610), (260, 60849), (390, 40566), (468, 33805), (585, 27044), (780, 20283), (1170, 13522), (2340, 6761)]