158245880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{877}}^1$

素因数の和:1248

約数の個数: 64

約数和(自身を含む): 384985440

約数和(自身を除く): 226739560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 347, 520, 694, 877, 1388, 1735, 1754, 2776, 3470, 3508, 4385, 4511, 6940, 7016, 8770, 9022, 11401, 13880, 17540, 18044, 22555, 22802, 35080, 36088, 45110, 45604, 57005, 90220, 91208, 114010, 180440, 228020, 304319, 456040, 608638, 1217276, 1521595, 2434552, 3043190, 3956147, 6086380, 7912294, 12172760, 15824588, 19780735, 31649176, 39561470, 79122940, 158245880]

約数ペア:

[(1, 158245880), (2, 79122940), (4, 39561470), (5, 31649176), (8, 19780735), (10, 15824588), (13, 12172760), (20, 7912294), (26, 6086380), (40, 3956147), (52, 3043190), (65, 2434552), (104, 1521595), (130, 1217276), (260, 608638), (347, 456040), (520, 304319), (694, 228020), (877, 180440), (1388, 114010), (1735, 91208), (1754, 90220), (2776, 57005), (3470, 45604), (3508, 45110), (4385, 36088), (4511, 35080), (6940, 22802), (7016, 22555), (8770, 18044), (9022, 17540), (11401, 13880)]