321720984

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:423

約数の個数: 160

約数和(自身を含む): 980419440

約数和(自身を除く): 658698456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 181, 211, 216, 234, 312, 324, 351, 362, 422, 468, 543, 633, 648, 702, 724, 844, 936, 1053, 1086, 1266, 1404, 1448, 1629, 1688, 1899, 2106, 2172, 2353, 2532, 2743, 2808, 3258, 3798, 4212, 4344, 4706, 4887, 5064, 5486, 5697, 6516, 7059, 7596, 8229, 8424, 9412, 9774, 10972, 11394, 13032, 14118, 14661, 15192, 16458, 17091, 18824, 19548, 21177, 21944, 22788, 24687, 28236, 29322, 32916, 34182, 38191, 39096, 42354, 45576, 49374, 56472, 58644, 63531, 65832, 68364, 74061, 76382, 84708, 98748, 114573, 117288, 127062, 136728, 148122, 152764, 169416, 190593, 197496, 222183, 229146, 254124, 296244, 305528, 343719, 381186, 444366, 458292, 496483, 508248, 592488, 687438, 762372, 888732, 916584, 992966, 1031157, 1374876, 1489449, 1524744, 1777464, 1985932, 2062314, 2749752, 2978898, 3093471, 3971864, 4124628, 4468347, 5957796, 6186942, 8249256, 8936694, 11915592, 12373884, 13405041, 17873388, 24747768, 26810082, 35746776, 40215123, 53620164, 80430246, 107240328, 160860492, 321720984]

約数ペア:

[(1, 321720984), (2, 160860492), (3, 107240328), (4, 80430246), (6, 53620164), (8, 40215123), (9, 35746776), (12, 26810082), (13, 24747768), (18, 17873388), (24, 13405041), (26, 12373884), (27, 11915592), (36, 8936694), (39, 8249256), (52, 6186942), (54, 5957796), (72, 4468347), (78, 4124628), (81, 3971864), (104, 3093471), (108, 2978898), (117, 2749752), (156, 2062314), (162, 1985932), (181, 1777464), (211, 1524744), (216, 1489449), (234, 1374876), (312, 1031157), (324, 992966), (351, 916584), (362, 888732), (422, 762372), (468, 687438), (543, 592488), (633, 508248), (648, 496483), (702, 458292), (724, 444366), (844, 381186), (936, 343719), (1053, 305528), (1086, 296244), (1266, 254124), (1404, 229146), (1448, 222183), (1629, 197496), (1688, 190593), (1899, 169416), (2106, 152764), (2172, 148122), (2353, 136728), (2532, 127062), (2743, 117288), (2808, 114573), (3258, 98748), (3798, 84708), (4212, 76382), (4344, 74061), (4706, 68364), (4887, 65832), (5064, 63531), (5486, 58644), (5697, 56472), (6516, 49374), (7059, 45576), (7596, 42354), (8229, 39096), (8424, 38191), (9412, 34182), (9774, 32916), (10972, 29322), (11394, 28236), (13032, 24687), (14118, 22788), (14661, 21944), (15192, 21177), (16458, 19548), (17091, 18824)]