270268120

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 618516000

約数和(自身を除く): 348247880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 149, 274, 298, 331, 548, 596, 662, 685, 745, 1096, 1192, 1324, 1370, 1490, 1655, 2648, 2740, 2980, 3310, 5480, 5960, 6620, 13240, 20413, 40826, 45347, 49319, 81652, 90694, 98638, 102065, 163304, 181388, 197276, 204130, 226735, 246595, 362776, 394552, 408260, 453470, 493190, 816520, 906940, 986380, 1813880, 1972760, 6756703, 13513406, 27026812, 33783515, 54053624, 67567030, 135134060, 270268120]

約数ペア:

[(1, 270268120), (2, 135134060), (4, 67567030), (5, 54053624), (8, 33783515), (10, 27026812), (20, 13513406), (40, 6756703), (137, 1972760), (149, 1813880), (274, 986380), (298, 906940), (331, 816520), (548, 493190), (596, 453470), (662, 408260), (685, 394552), (745, 362776), (1096, 246595), (1192, 226735), (1324, 204130), (1370, 197276), (1490, 181388), (1655, 163304), (2648, 102065), (2740, 98638), (2980, 90694), (3310, 81652), (5480, 49319), (5960, 45347), (6620, 40826), (13240, 20413)]