240051720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:655

約数の個数: 128

約数和(自身を含む): 746807040

約数和(自身を除く): 506755320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 97, 120, 123, 164, 194, 205, 246, 291, 328, 388, 410, 485, 492, 503, 582, 615, 776, 820, 970, 984, 1006, 1164, 1230, 1455, 1509, 1640, 1940, 2012, 2328, 2460, 2515, 2910, 3018, 3880, 3977, 4024, 4920, 5030, 5820, 6036, 7545, 7954, 10060, 11640, 11931, 12072, 15090, 15908, 19885, 20120, 20623, 23862, 30180, 31816, 39770, 41246, 47724, 48791, 59655, 60360, 61869, 79540, 82492, 95448, 97582, 103115, 119310, 123738, 146373, 159080, 164984, 195164, 206230, 238620, 243955, 247476, 292746, 309345, 390328, 412460, 477240, 487910, 494952, 585492, 618690, 731865, 824920, 975820, 1170984, 1237380, 1463730, 1951640, 2000431, 2474760, 2927460, 4000862, 5854920, 6001293, 8001724, 10002155, 12002586, 16003448, 20004310, 24005172, 30006465, 40008620, 48010344, 60012930, 80017240, 120025860, 240051720]

約数ペア:

[(1, 240051720), (2, 120025860), (3, 80017240), (4, 60012930), (5, 48010344), (6, 40008620), (8, 30006465), (10, 24005172), (12, 20004310), (15, 16003448), (20, 12002586), (24, 10002155), (30, 8001724), (40, 6001293), (41, 5854920), (60, 4000862), (82, 2927460), (97, 2474760), (120, 2000431), (123, 1951640), (164, 1463730), (194, 1237380), (205, 1170984), (246, 975820), (291, 824920), (328, 731865), (388, 618690), (410, 585492), (485, 494952), (492, 487910), (503, 477240), (582, 412460), (615, 390328), (776, 309345), (820, 292746), (970, 247476), (984, 243955), (1006, 238620), (1164, 206230), (1230, 195164), (1455, 164984), (1509, 159080), (1640, 146373), (1940, 123738), (2012, 119310), (2328, 103115), (2460, 97582), (2515, 95448), (2910, 82492), (3018, 79540), (3880, 61869), (3977, 60360), (4024, 59655), (4920, 48791), (5030, 47724), (5820, 41246), (6036, 39770), (7545, 31816), (7954, 30180), (10060, 23862), (11640, 20623), (11931, 20120), (12072, 19885), (15090, 15908)]