56671720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6529}}^1$

素因数の和:6578

約数の個数: 64

約数和(自身を含む): 150451200

約数和(自身を除く): 93779480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 6529, 8680, 13058, 26116, 32645, 45703, 52232, 65290, 91406, 130580, 182812, 202399, 228515, 261160, 365624, 404798, 457030, 809596, 914060, 1011995, 1416793, 1619192, 1828120, 2023990, 2833586, 4047980, 5667172, 7083965, 8095960, 11334344, 14167930, 28335860, 56671720]

約数ペア:

[(1, 56671720), (2, 28335860), (4, 14167930), (5, 11334344), (7, 8095960), (8, 7083965), (10, 5667172), (14, 4047980), (20, 2833586), (28, 2023990), (31, 1828120), (35, 1619192), (40, 1416793), (56, 1011995), (62, 914060), (70, 809596), (124, 457030), (140, 404798), (155, 365624), (217, 261160), (248, 228515), (280, 202399), (310, 182812), (434, 130580), (620, 91406), (868, 65290), (1085, 52232), (1240, 45703), (1736, 32645), (2170, 26116), (4340, 13058), (6529, 8680)]