128097320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1361}}^1$

素因数の和:1566

約数の個数: 64

約数和(自身を含む): 312333840

約数和(自身を除く): 184236520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 181, 260, 362, 520, 724, 905, 1361, 1448, 1810, 2353, 2722, 3620, 4706, 5444, 6805, 7240, 9412, 10888, 11765, 13610, 17693, 18824, 23530, 27220, 35386, 47060, 54440, 70772, 88465, 94120, 141544, 176930, 246341, 353860, 492682, 707720, 985364, 1231705, 1970728, 2463410, 3202433, 4926820, 6404866, 9853640, 12809732, 16012165, 25619464, 32024330, 64048660, 128097320]

約数ペア:

[(1, 128097320), (2, 64048660), (4, 32024330), (5, 25619464), (8, 16012165), (10, 12809732), (13, 9853640), (20, 6404866), (26, 4926820), (40, 3202433), (52, 2463410), (65, 1970728), (104, 1231705), (130, 985364), (181, 707720), (260, 492682), (362, 353860), (520, 246341), (724, 176930), (905, 141544), (1361, 94120), (1448, 88465), (1810, 70772), (2353, 54440), (2722, 47060), (3620, 35386), (4706, 27220), (5444, 23530), (6805, 18824), (7240, 17693), (9412, 13610), (10888, 11765)]