642071256

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:969

約数の個数: 128

約数和(自身を含む): 1779148800

約数和(自身を除く): 1137077544

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 53, 57, 62, 76, 93, 106, 114, 124, 152, 159, 186, 212, 228, 248, 318, 372, 424, 456, 589, 636, 744, 857, 1007, 1178, 1272, 1643, 1714, 1767, 2014, 2356, 2571, 3021, 3286, 3428, 3534, 4028, 4712, 4929, 5142, 6042, 6572, 6856, 7068, 8056, 9858, 10284, 12084, 13144, 14136, 16283, 19716, 20568, 24168, 26567, 31217, 32566, 39432, 45421, 48849, 53134, 62434, 65132, 79701, 90842, 93651, 97698, 106268, 124868, 130264, 136263, 159402, 181684, 187302, 195396, 212536, 249736, 272526, 318804, 363368, 374604, 390792, 504773, 545052, 637608, 749208, 862999, 1009546, 1090104, 1408051, 1514319, 1725998, 2019092, 2588997, 2816102, 3028638, 3451996, 4038184, 4224153, 5177994, 5632204, 6057276, 6903992, 8448306, 10355988, 11264408, 12114552, 16896612, 20711976, 26752969, 33793224, 53505938, 80258907, 107011876, 160517814, 214023752, 321035628, 642071256]

約数ペア:

[(1, 642071256), (2, 321035628), (3, 214023752), (4, 160517814), (6, 107011876), (8, 80258907), (12, 53505938), (19, 33793224), (24, 26752969), (31, 20711976), (38, 16896612), (53, 12114552), (57, 11264408), (62, 10355988), (76, 8448306), (93, 6903992), (106, 6057276), (114, 5632204), (124, 5177994), (152, 4224153), (159, 4038184), (186, 3451996), (212, 3028638), (228, 2816102), (248, 2588997), (318, 2019092), (372, 1725998), (424, 1514319), (456, 1408051), (589, 1090104), (636, 1009546), (744, 862999), (857, 749208), (1007, 637608), (1178, 545052), (1272, 504773), (1643, 390792), (1714, 374604), (1767, 363368), (2014, 318804), (2356, 272526), (2571, 249736), (3021, 212536), (3286, 195396), (3428, 187302), (3534, 181684), (4028, 159402), (4712, 136263), (4929, 130264), (5142, 124868), (6042, 106268), (6572, 97698), (6856, 93651), (7068, 90842), (8056, 79701), (9858, 65132), (10284, 62434), (12084, 53134), (13144, 48849), (14136, 45421), (16283, 39432), (19716, 32566), (20568, 31217), (24168, 26567)]