81417960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1933}}^1$

素因数の和:1969

約数の個数: 160

約数和(自身を含む): 294857640

約数和(自身を除く): 213439680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 520, 540, 585, 648, 702, 780, 810, 936, 1053, 1080, 1170, 1404, 1560, 1620, 1755, 1933, 2106, 2340, 2808, 3240, 3510, 3866, 4212, 4680, 5265, 5799, 7020, 7732, 8424, 9665, 10530, 11598, 14040, 15464, 17397, 19330, 21060, 23196, 25129, 28995, 34794, 38660, 42120, 46392, 50258, 52191, 57990, 69588, 75387, 77320, 86985, 100516, 104382, 115980, 125645, 139176, 150774, 156573, 173970, 201032, 208764, 226161, 231960, 251290, 260955, 301548, 313146, 347940, 376935, 417528, 452322, 502580, 521910, 603096, 626292, 678483, 695880, 753870, 782865, 904644, 1005160, 1043820, 1130805, 1252584, 1356966, 1507740, 1565730, 1809288, 2035449, 2087640, 2261610, 2713932, 3015480, 3131460, 3392415, 4070898, 4523220, 5427864, 6262920, 6784830, 8141796, 9046440, 10177245, 13569660, 16283592, 20354490, 27139320, 40708980, 81417960]

約数ペア:

[(1, 81417960), (2, 40708980), (3, 27139320), (4, 20354490), (5, 16283592), (6, 13569660), (8, 10177245), (9, 9046440), (10, 8141796), (12, 6784830), (13, 6262920), (15, 5427864), (18, 4523220), (20, 4070898), (24, 3392415), (26, 3131460), (27, 3015480), (30, 2713932), (36, 2261610), (39, 2087640), (40, 2035449), (45, 1809288), (52, 1565730), (54, 1507740), (60, 1356966), (65, 1252584), (72, 1130805), (78, 1043820), (81, 1005160), (90, 904644), (104, 782865), (108, 753870), (117, 695880), (120, 678483), (130, 626292), (135, 603096), (156, 521910), (162, 502580), (180, 452322), (195, 417528), (216, 376935), (234, 347940), (260, 313146), (270, 301548), (312, 260955), (324, 251290), (351, 231960), (360, 226161), (390, 208764), (405, 201032), (468, 173970), (520, 156573), (540, 150774), (585, 139176), (648, 125645), (702, 115980), (780, 104382), (810, 100516), (936, 86985), (1053, 77320), (1080, 75387), (1170, 69588), (1404, 57990), (1560, 52191), (1620, 50258), (1755, 46392), (1933, 42120), (2106, 38660), (2340, 34794), (2808, 28995), (3240, 25129), (3510, 23196), (3866, 21060), (4212, 19330), (4680, 17397), (5265, 15464), (5799, 14040), (7020, 11598), (7732, 10530), (8424, 9665)]