72940728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 223027200

約数和(自身を除く): 150086472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 43, 46, 56, 69, 84, 86, 92, 129, 138, 161, 168, 172, 184, 258, 276, 301, 322, 344, 439, 483, 516, 552, 602, 644, 878, 903, 966, 989, 1032, 1204, 1288, 1317, 1756, 1806, 1932, 1978, 2408, 2634, 2967, 3073, 3512, 3612, 3864, 3956, 5268, 5934, 6146, 6923, 7224, 7912, 9219, 10097, 10536, 11868, 12292, 13846, 18438, 18877, 20194, 20769, 23736, 24584, 27692, 30291, 36876, 37754, 40388, 41538, 55384, 56631, 60582, 70679, 73752, 75508, 80776, 83076, 113262, 121164, 132139, 141358, 151016, 166152, 212037, 226524, 242328, 264278, 282716, 396417, 424074, 434171, 453048, 528556, 565432, 792834, 848148, 868342, 1057112, 1302513, 1585668, 1696296, 1736684, 2605026, 3039197, 3171336, 3473368, 5210052, 6078394, 9117591, 10420104, 12156788, 18235182, 24313576, 36470364, 72940728]

約数ペア:

[(1, 72940728), (2, 36470364), (3, 24313576), (4, 18235182), (6, 12156788), (7, 10420104), (8, 9117591), (12, 6078394), (14, 5210052), (21, 3473368), (23, 3171336), (24, 3039197), (28, 2605026), (42, 1736684), (43, 1696296), (46, 1585668), (56, 1302513), (69, 1057112), (84, 868342), (86, 848148), (92, 792834), (129, 565432), (138, 528556), (161, 453048), (168, 434171), (172, 424074), (184, 396417), (258, 282716), (276, 264278), (301, 242328), (322, 226524), (344, 212037), (439, 166152), (483, 151016), (516, 141358), (552, 132139), (602, 121164), (644, 113262), (878, 83076), (903, 80776), (966, 75508), (989, 73752), (1032, 70679), (1204, 60582), (1288, 56631), (1317, 55384), (1756, 41538), (1806, 40388), (1932, 37754), (1978, 36876), (2408, 30291), (2634, 27692), (2967, 24584), (3073, 23736), (3512, 20769), (3612, 20194), (3864, 18877), (3956, 18438), (5268, 13846), (5934, 12292), (6146, 11868), (6923, 10536), (7224, 10097), (7912, 9219)]