8173640320

素因数分解:

$2^7\times 5^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1\times {\mathrm{269}}^1$

素因数の和:726

約数の個数: 128

約数和(自身を含む): 19794099600

約数和(自身を除く): 11620459280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 241, 269, 320, 394, 482, 538, 640, 788, 964, 985, 1076, 1205, 1345, 1576, 1928, 1970, 2152, 2410, 2690, 3152, 3856, 3940, 4304, 4820, 5380, 6304, 7712, 7880, 8608, 9640, 10760, 12608, 15424, 15760, 17216, 19280, 21520, 25216, 30848, 31520, 34432, 38560, 43040, 47477, 52993, 63040, 64829, 77120, 86080, 94954, 105986, 126080, 129658, 154240, 172160, 189908, 211972, 237385, 259316, 264965, 324145, 379816, 423944, 474770, 518632, 529930, 648290, 759632, 847888, 949540, 1037264, 1059860, 1296580, 1519264, 1695776, 1899080, 2074528, 2119720, 2593160, 3038528, 3391552, 3798160, 4149056, 4239440, 5186320, 6077056, 6783104, 7596320, 8298112, 8478880, 10372640, 12771313, 15192640, 16957760, 20745280, 25542626, 30385280, 33915520, 41490560, 51085252, 63856565, 102170504, 127713130, 204341008, 255426260, 408682016, 510852520, 817364032, 1021705040, 1634728064, 2043410080, 4086820160, 8173640320]

約数ペア:

[(1, 8173640320), (2, 4086820160), (4, 2043410080), (5, 1634728064), (8, 1021705040), (10, 817364032), (16, 510852520), (20, 408682016), (32, 255426260), (40, 204341008), (64, 127713130), (80, 102170504), (128, 63856565), (160, 51085252), (197, 41490560), (241, 33915520), (269, 30385280), (320, 25542626), (394, 20745280), (482, 16957760), (538, 15192640), (640, 12771313), (788, 10372640), (964, 8478880), (985, 8298112), (1076, 7596320), (1205, 6783104), (1345, 6077056), (1576, 5186320), (1928, 4239440), (1970, 4149056), (2152, 3798160), (2410, 3391552), (2690, 3038528), (3152, 2593160), (3856, 2119720), (3940, 2074528), (4304, 1899080), (4820, 1695776), (5380, 1519264), (6304, 1296580), (7712, 1059860), (7880, 1037264), (8608, 949540), (9640, 847888), (10760, 759632), (12608, 648290), (15424, 529930), (15760, 518632), (17216, 474770), (19280, 423944), (21520, 379816), (25216, 324145), (30848, 264965), (31520, 259316), (34432, 237385), (38560, 211972), (43040, 189908), (47477, 172160), (52993, 154240), (63040, 129658), (64829, 126080), (77120, 105986), (86080, 94954)]