69957680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:654

約数の個数: 80

約数和(自身を含む): 176801184

約数和(自身を除く): 106843504

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 208, 260, 274, 491, 520, 548, 685, 982, 1040, 1096, 1370, 1781, 1964, 2192, 2455, 2740, 3562, 3928, 4910, 5480, 6383, 7124, 7856, 8905, 9820, 10960, 12766, 14248, 17810, 19640, 25532, 28496, 31915, 35620, 39280, 51064, 63830, 67267, 71240, 102128, 127660, 134534, 142480, 255320, 269068, 336335, 510640, 538136, 672670, 874471, 1076272, 1345340, 1748942, 2690680, 3497884, 4372355, 5381360, 6995768, 8744710, 13991536, 17489420, 34978840, 69957680]

約数ペア:

[(1, 69957680), (2, 34978840), (4, 17489420), (5, 13991536), (8, 8744710), (10, 6995768), (13, 5381360), (16, 4372355), (20, 3497884), (26, 2690680), (40, 1748942), (52, 1345340), (65, 1076272), (80, 874471), (104, 672670), (130, 538136), (137, 510640), (208, 336335), (260, 269068), (274, 255320), (491, 142480), (520, 134534), (548, 127660), (685, 102128), (982, 71240), (1040, 67267), (1096, 63830), (1370, 51064), (1781, 39280), (1964, 35620), (2192, 31915), (2455, 28496), (2740, 25532), (3562, 19640), (3928, 17810), (4910, 14248), (5480, 12766), (6383, 10960), (7124, 9820), (7856, 8905)]