656750280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1597}}^1$

素因数の和:1783

約数の個数: 128

約数和(自身を含む): 2071008000

約数和(自身を除く): 1414257720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 149, 184, 230, 276, 298, 345, 447, 460, 552, 596, 690, 745, 894, 920, 1192, 1380, 1490, 1597, 1788, 2235, 2760, 2980, 3194, 3427, 3576, 4470, 4791, 5960, 6388, 6854, 7985, 8940, 9582, 10281, 12776, 13708, 15970, 17135, 17880, 19164, 20562, 23955, 27416, 31940, 34270, 36731, 38328, 41124, 47910, 51405, 63880, 68540, 73462, 82248, 95820, 102810, 110193, 137080, 146924, 183655, 191640, 205620, 220386, 237953, 293848, 367310, 411240, 440772, 475906, 550965, 713859, 734620, 881544, 951812, 1101930, 1189765, 1427718, 1469240, 1903624, 2203860, 2379530, 2855436, 3569295, 4407720, 4759060, 5472919, 5710872, 7138590, 9518120, 10945838, 14277180, 16418757, 21891676, 27364595, 28554360, 32837514, 43783352, 54729190, 65675028, 82093785, 109458380, 131350056, 164187570, 218916760, 328375140, 656750280]

約数ペア:

[(1, 656750280), (2, 328375140), (3, 218916760), (4, 164187570), (5, 131350056), (6, 109458380), (8, 82093785), (10, 65675028), (12, 54729190), (15, 43783352), (20, 32837514), (23, 28554360), (24, 27364595), (30, 21891676), (40, 16418757), (46, 14277180), (60, 10945838), (69, 9518120), (92, 7138590), (115, 5710872), (120, 5472919), (138, 4759060), (149, 4407720), (184, 3569295), (230, 2855436), (276, 2379530), (298, 2203860), (345, 1903624), (447, 1469240), (460, 1427718), (552, 1189765), (596, 1101930), (690, 951812), (745, 881544), (894, 734620), (920, 713859), (1192, 550965), (1380, 475906), (1490, 440772), (1597, 411240), (1788, 367310), (2235, 293848), (2760, 237953), (2980, 220386), (3194, 205620), (3427, 191640), (3576, 183655), (4470, 146924), (4791, 137080), (5960, 110193), (6388, 102810), (6854, 95820), (7985, 82248), (8940, 73462), (9582, 68540), (10281, 63880), (12776, 51405), (13708, 47910), (15970, 41124), (17135, 38328), (17880, 36731), (19164, 34270), (20562, 31940), (23955, 27416)]