278653284

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{727}}^1$

素因数の和:776

約数の個数: 180

約数和(自身を含む): 902725824

約数和(自身を除く): 624072540

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 169, 182, 189, 234, 252, 273, 324, 338, 351, 364, 378, 468, 507, 546, 567, 676, 702, 727, 756, 819, 1014, 1053, 1092, 1134, 1183, 1404, 1454, 1521, 1638, 2028, 2106, 2181, 2268, 2366, 2457, 2908, 3042, 3276, 3549, 4212, 4362, 4563, 4732, 4914, 5089, 6084, 6543, 7098, 7371, 8724, 9126, 9451, 9828, 10178, 10647, 13086, 13689, 14196, 14742, 15267, 18252, 18902, 19629, 20356, 21294, 26172, 27378, 28353, 29484, 30534, 31941, 37804, 39258, 42588, 45801, 54756, 56706, 58887, 61068, 63882, 66157, 78516, 85059, 91602, 95823, 113412, 117774, 122863, 127764, 132314, 137403, 170118, 183204, 191646, 198471, 235548, 245726, 255177, 264628, 274806, 340236, 368589, 383292, 396942, 412209, 491452, 510354, 549612, 595413, 737178, 765531, 793884, 824418, 860041, 1020708, 1105767, 1190826, 1474356, 1531062, 1648836, 1720082, 1786239, 2211534, 2381652, 2580123, 3062124, 3317301, 3440164, 3572478, 4423068, 5160246, 5358717, 6634602, 7144956, 7740369, 9951903, 10320492, 10717434, 13269204, 15480738, 19903806, 21434868, 23221107, 30961476, 39807612, 46442214, 69663321, 92884428, 139326642, 278653284]

約数ペア:

[(1, 278653284), (2, 139326642), (3, 92884428), (4, 69663321), (6, 46442214), (7, 39807612), (9, 30961476), (12, 23221107), (13, 21434868), (14, 19903806), (18, 15480738), (21, 13269204), (26, 10717434), (27, 10320492), (28, 9951903), (36, 7740369), (39, 7144956), (42, 6634602), (52, 5358717), (54, 5160246), (63, 4423068), (78, 3572478), (81, 3440164), (84, 3317301), (91, 3062124), (108, 2580123), (117, 2381652), (126, 2211534), (156, 1786239), (162, 1720082), (169, 1648836), (182, 1531062), (189, 1474356), (234, 1190826), (252, 1105767), (273, 1020708), (324, 860041), (338, 824418), (351, 793884), (364, 765531), (378, 737178), (468, 595413), (507, 549612), (546, 510354), (567, 491452), (676, 412209), (702, 396942), (727, 383292), (756, 368589), (819, 340236), (1014, 274806), (1053, 264628), (1092, 255177), (1134, 245726), (1183, 235548), (1404, 198471), (1454, 191646), (1521, 183204), (1638, 170118), (2028, 137403), (2106, 132314), (2181, 127764), (2268, 122863), (2366, 117774), (2457, 113412), (2908, 95823), (3042, 91602), (3276, 85059), (3549, 78516), (4212, 66157), (4362, 63882), (4563, 61068), (4732, 58887), (4914, 56706), (5089, 54756), (6084, 45801), (6543, 42588), (7098, 39258), (7371, 37804), (8724, 31941), (9126, 30534), (9451, 29484), (9828, 28353), (10178, 27378), (10647, 26172), (13086, 21294), (13689, 20356), (14196, 19629), (14742, 18902), (15267, 18252)]