128092520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 319127040

約数和(自身を除く): 191034520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 53, 71, 74, 92, 106, 115, 142, 148, 184, 185, 212, 230, 265, 284, 296, 355, 370, 424, 460, 530, 568, 710, 740, 851, 920, 1060, 1219, 1420, 1480, 1633, 1702, 1961, 2120, 2438, 2627, 2840, 3266, 3404, 3763, 3922, 4255, 4876, 5254, 6095, 6532, 6808, 7526, 7844, 8165, 8510, 9752, 9805, 10508, 12190, 13064, 13135, 15052, 15688, 16330, 17020, 18815, 19610, 21016, 24380, 26270, 30104, 32660, 34040, 37630, 39220, 45103, 48760, 52540, 60421, 65320, 75260, 78440, 86549, 90206, 105080, 120842, 139231, 150520, 173098, 180412, 225515, 241684, 278462, 302105, 346196, 360824, 432745, 451030, 483368, 556924, 604210, 692392, 696155, 865490, 902060, 1113848, 1208420, 1392310, 1730980, 1804120, 2416840, 2784620, 3202313, 3461960, 5569240, 6404626, 12809252, 16011565, 25618504, 32023130, 64046260, 128092520]

約数ペア:

[(1, 128092520), (2, 64046260), (4, 32023130), (5, 25618504), (8, 16011565), (10, 12809252), (20, 6404626), (23, 5569240), (37, 3461960), (40, 3202313), (46, 2784620), (53, 2416840), (71, 1804120), (74, 1730980), (92, 1392310), (106, 1208420), (115, 1113848), (142, 902060), (148, 865490), (184, 696155), (185, 692392), (212, 604210), (230, 556924), (265, 483368), (284, 451030), (296, 432745), (355, 360824), (370, 346196), (424, 302105), (460, 278462), (530, 241684), (568, 225515), (710, 180412), (740, 173098), (851, 150520), (920, 139231), (1060, 120842), (1219, 105080), (1420, 90206), (1480, 86549), (1633, 78440), (1702, 75260), (1961, 65320), (2120, 60421), (2438, 52540), (2627, 48760), (2840, 45103), (3266, 39220), (3404, 37630), (3763, 34040), (3922, 32660), (4255, 30104), (4876, 26270), (5254, 24380), (6095, 21016), (6532, 19610), (6808, 18815), (7526, 17020), (7844, 16330), (8165, 15688), (8510, 15052), (9752, 13135), (9805, 13064), (10508, 12190)]