128630580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164911}}^1$

素因数の和:164936

約数の個数: 48

約数和(自身を含む): 387873024

約数和(自身を除く): 259242444

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, 164911, 329822, 494733, 659644, 824555, 989466, 1649110, 1978932, 2143843, 2473665, 3298220, 4287686, 4947330, 6431529, 8575372, 9894660, 10719215, 12863058, 21438430, 25726116, 32157645, 42876860, 64315290, 128630580]

約数ペア:

[(1, 128630580), (2, 64315290), (3, 42876860), (4, 32157645), (5, 25726116), (6, 21438430), (10, 12863058), (12, 10719215), (13, 9894660), (15, 8575372), (20, 6431529), (26, 4947330), (30, 4287686), (39, 3298220), (52, 2473665), (60, 2143843), (65, 1978932), (78, 1649110), (130, 989466), (156, 824555), (195, 659644), (260, 494733), (390, 329822), (780, 164911)]