87267880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1373}}^1$

素因数の和:1618

約数の個数: 64

約数和(自身を含む): 225555840

約数和(自身を除く): 138287960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 227, 280, 454, 908, 1135, 1373, 1589, 1816, 2270, 2746, 3178, 4540, 5492, 6356, 6865, 7945, 9080, 9611, 10984, 12712, 13730, 15890, 19222, 27460, 31780, 38444, 48055, 54920, 63560, 76888, 96110, 192220, 311671, 384440, 623342, 1246684, 1558355, 2181697, 2493368, 3116710, 4363394, 6233420, 8726788, 10908485, 12466840, 17453576, 21816970, 43633940, 87267880]

約数ペア:

[(1, 87267880), (2, 43633940), (4, 21816970), (5, 17453576), (7, 12466840), (8, 10908485), (10, 8726788), (14, 6233420), (20, 4363394), (28, 3116710), (35, 2493368), (40, 2181697), (56, 1558355), (70, 1246684), (140, 623342), (227, 384440), (280, 311671), (454, 192220), (908, 96110), (1135, 76888), (1373, 63560), (1589, 54920), (1816, 48055), (2270, 38444), (2746, 31780), (3178, 27460), (4540, 19222), (5492, 15890), (6356, 13730), (6865, 12712), (7945, 10984), (9080, 9611)]