15021860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1759}}^1$

素因数の和:1836

約数の個数: 48

約数和(自身を含む): 36664320

約数和(自身を除く): 21642460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 1759, 2135, 3518, 4270, 7036, 8540, 8795, 12313, 17590, 24626, 35180, 49252, 61565, 107299, 123130, 214598, 246260, 429196, 536495, 751093, 1072990, 1502186, 2145980, 3004372, 3755465, 7510930, 15021860]

約数ペア:

[(1, 15021860), (2, 7510930), (4, 3755465), (5, 3004372), (7, 2145980), (10, 1502186), (14, 1072990), (20, 751093), (28, 536495), (35, 429196), (61, 246260), (70, 214598), (122, 123130), (140, 107299), (244, 61565), (305, 49252), (427, 35180), (610, 24626), (854, 17590), (1220, 12313), (1708, 8795), (1759, 8540), (2135, 7036), (3518, 4270)]