128878140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113051}}^1$

素因数の和:113082

約数の個数: 48

約数和(自身を含む): 379854720

約数和(自身を除く): 250976580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 113051, 226102, 339153, 452204, 565255, 678306, 1130510, 1356612, 1695765, 2147969, 2261020, 3391530, 4295938, 6443907, 6783060, 8591876, 10739845, 12887814, 21479690, 25775628, 32219535, 42959380, 64439070, 128878140]

約数ペア:

[(1, 128878140), (2, 64439070), (3, 42959380), (4, 32219535), (5, 25775628), (6, 21479690), (10, 12887814), (12, 10739845), (15, 8591876), (19, 6783060), (20, 6443907), (30, 4295938), (38, 3391530), (57, 2261020), (60, 2147969), (76, 1695765), (95, 1356612), (114, 1130510), (190, 678306), (228, 565255), (285, 452204), (380, 339153), (570, 226102), (1140, 113051)]