28612740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36683}}^1$

素因数の和:36708

約数の個数: 48

約数和(自身を含む): 86280768

約数和(自身を除く): 57668028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 36683, 73366, 110049, 146732, 183415, 220098, 366830, 440196, 476879, 550245, 733660, 953758, 1100490, 1430637, 1907516, 2200980, 2384395, 2861274, 4768790, 5722548, 7153185, 9537580, 14306370, 28612740]

約数ペア:

[(1, 28612740), (2, 14306370), (3, 9537580), (4, 7153185), (5, 5722548), (6, 4768790), (10, 2861274), (12, 2384395), (13, 2200980), (15, 1907516), (20, 1430637), (26, 1100490), (30, 953758), (39, 733660), (52, 550245), (60, 476879), (65, 440196), (78, 366830), (130, 220098), (156, 183415), (195, 146732), (260, 110049), (390, 73366), (780, 36683)]