8240778

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 120

約数和(自身を含む): 23383008

約数和(自身を除く): 15142230

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 43, 54, 63, 78, 81, 86, 91, 117, 126, 129, 162, 169, 182, 189, 234, 258, 273, 301, 338, 351, 378, 387, 507, 546, 559, 567, 602, 702, 774, 819, 903, 1014, 1053, 1118, 1134, 1161, 1183, 1521, 1638, 1677, 1806, 2106, 2322, 2366, 2457, 2709, 3042, 3354, 3483, 3549, 3913, 4563, 4914, 5031, 5418, 6966, 7098, 7267, 7371, 7826, 8127, 9126, 10062, 10647, 11739, 13689, 14534, 14742, 15093, 16254, 21294, 21801, 23478, 24381, 27378, 30186, 31941, 35217, 43602, 45279, 48762, 50869, 63882, 65403, 70434, 90558, 95823, 101738, 105651, 130806, 152607, 191646, 196209, 211302, 305214, 316953, 392418, 457821, 588627, 633906, 915642, 1177254, 1373463, 2746926, 4120389, 8240778]

約数ペア:

[(1, 8240778), (2, 4120389), (3, 2746926), (6, 1373463), (7, 1177254), (9, 915642), (13, 633906), (14, 588627), (18, 457821), (21, 392418), (26, 316953), (27, 305214), (39, 211302), (42, 196209), (43, 191646), (54, 152607), (63, 130806), (78, 105651), (81, 101738), (86, 95823), (91, 90558), (117, 70434), (126, 65403), (129, 63882), (162, 50869), (169, 48762), (182, 45279), (189, 43602), (234, 35217), (258, 31941), (273, 30186), (301, 27378), (338, 24381), (351, 23478), (378, 21801), (387, 21294), (507, 16254), (546, 15093), (559, 14742), (567, 14534), (602, 13689), (702, 11739), (774, 10647), (819, 10062), (903, 9126), (1014, 8127), (1053, 7826), (1118, 7371), (1134, 7267), (1161, 7098), (1183, 6966), (1521, 5418), (1638, 5031), (1677, 4914), (1806, 4563), (2106, 3913), (2322, 3549), (2366, 3483), (2457, 3354), (2709, 3042)]