130220720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1831}}^1$

素因数の和:1978

約数の個数: 80

約数和(自身を含む): 348930048

約数和(自身を除く): 218709328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 1831, 2032, 2540, 3556, 3662, 4445, 5080, 7112, 7324, 8890, 9155, 10160, 12817, 14224, 14648, 17780, 18310, 25634, 29296, 35560, 36620, 51268, 64085, 71120, 73240, 102536, 128170, 146480, 205072, 232537, 256340, 465074, 512680, 930148, 1025360, 1162685, 1627759, 1860296, 2325370, 3255518, 3720592, 4650740, 6511036, 8138795, 9301480, 13022072, 16277590, 18602960, 26044144, 32555180, 65110360, 130220720]

約数ペア:

[(1, 130220720), (2, 65110360), (4, 32555180), (5, 26044144), (7, 18602960), (8, 16277590), (10, 13022072), (14, 9301480), (16, 8138795), (20, 6511036), (28, 4650740), (35, 3720592), (40, 3255518), (56, 2325370), (70, 1860296), (80, 1627759), (112, 1162685), (127, 1025360), (140, 930148), (254, 512680), (280, 465074), (508, 256340), (560, 232537), (635, 205072), (889, 146480), (1016, 128170), (1270, 102536), (1778, 73240), (1831, 71120), (2032, 64085), (2540, 51268), (3556, 36620), (3662, 35560), (4445, 29296), (5080, 25634), (7112, 18310), (7324, 17780), (8890, 14648), (9155, 14224), (10160, 12817)]