89981580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{115361}}^1$

素因数の和:115386

約数の個数: 48

約数和(自身を含む): 271331424

約数和(自身を除く): 181349844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 115361, 230722, 346083, 461444, 576805, 692166, 1153610, 1384332, 1499693, 1730415, 2307220, 2999386, 3460830, 4499079, 5998772, 6921660, 7498465, 8998158, 14996930, 17996316, 22495395, 29993860, 44990790, 89981580]

約数ペア:

[(1, 89981580), (2, 44990790), (3, 29993860), (4, 22495395), (5, 17996316), (6, 14996930), (10, 8998158), (12, 7498465), (13, 6921660), (15, 5998772), (20, 4499079), (26, 3460830), (30, 2999386), (39, 2307220), (52, 1730415), (60, 1499693), (65, 1384332), (78, 1153610), (130, 692166), (156, 576805), (195, 461444), (260, 346083), (390, 230722), (780, 115361)]