128428650

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{40771}}^1$

素因数の和:40796

約数の個数: 72

約数和(自身を含む): 394346784

約数和(自身を除く): 265918134

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 40771, 81542, 122313, 203855, 244626, 285397, 366939, 407710, 570794, 611565, 733878, 856191, 1019275, 1223130, 1426985, 1712382, 1834695, 2038550, 2568573, 2853970, 3057825, 3669390, 4280955, 5137146, 6115650, 7134925, 8561910, 9173475, 12842865, 14269850, 18346950, 21404775, 25685730, 42809550, 64214325, 128428650]

約数ペア:

[(1, 128428650), (2, 64214325), (3, 42809550), (5, 25685730), (6, 21404775), (7, 18346950), (9, 14269850), (10, 12842865), (14, 9173475), (15, 8561910), (18, 7134925), (21, 6115650), (25, 5137146), (30, 4280955), (35, 3669390), (42, 3057825), (45, 2853970), (50, 2568573), (63, 2038550), (70, 1834695), (75, 1712382), (90, 1426985), (105, 1223130), (126, 1019275), (150, 856191), (175, 733878), (210, 611565), (225, 570794), (315, 407710), (350, 366939), (450, 285397), (525, 244626), (630, 203855), (1050, 122313), (1575, 81542), (3150, 40771)]