640585968

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:423

約数の個数: 160

約数和(自身を含む): 1871880192

約数和(自身を除く): 1231294224

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 41, 44, 48, 66, 82, 88, 123, 127, 132, 164, 176, 233, 246, 254, 264, 328, 381, 451, 466, 492, 508, 528, 656, 699, 762, 902, 932, 984, 1016, 1353, 1397, 1398, 1524, 1804, 1864, 1968, 2032, 2563, 2706, 2794, 2796, 3048, 3608, 3728, 4191, 5126, 5207, 5412, 5588, 5592, 6096, 7216, 7689, 8382, 9553, 10252, 10414, 10824, 11176, 11184, 15378, 15621, 16764, 19106, 20504, 20828, 21648, 22352, 28659, 29591, 30756, 31242, 33528, 38212, 41008, 41656, 57277, 57318, 59182, 61512, 62484, 67056, 76424, 83312, 88773, 105083, 114554, 114636, 118364, 123024, 124968, 152848, 171831, 177546, 210166, 229108, 229272, 236728, 249936, 315249, 325501, 343662, 355092, 420332, 458216, 458544, 473456, 630498, 651002, 687324, 710184, 840664, 916432, 976503, 1213231, 1260996, 1302004, 1374648, 1420368, 1681328, 1953006, 2426462, 2521992, 2604008, 2749296, 3639693, 3906012, 4852924, 5043984, 5208016, 7279386, 7812024, 9705848, 13345541, 14558772, 15624048, 19411696, 26691082, 29117544, 40036623, 53382164, 58235088, 80073246, 106764328, 160146492, 213528656, 320292984, 640585968]

約数ペア:

[(1, 640585968), (2, 320292984), (3, 213528656), (4, 160146492), (6, 106764328), (8, 80073246), (11, 58235088), (12, 53382164), (16, 40036623), (22, 29117544), (24, 26691082), (33, 19411696), (41, 15624048), (44, 14558772), (48, 13345541), (66, 9705848), (82, 7812024), (88, 7279386), (123, 5208016), (127, 5043984), (132, 4852924), (164, 3906012), (176, 3639693), (233, 2749296), (246, 2604008), (254, 2521992), (264, 2426462), (328, 1953006), (381, 1681328), (451, 1420368), (466, 1374648), (492, 1302004), (508, 1260996), (528, 1213231), (656, 976503), (699, 916432), (762, 840664), (902, 710184), (932, 687324), (984, 651002), (1016, 630498), (1353, 473456), (1397, 458544), (1398, 458216), (1524, 420332), (1804, 355092), (1864, 343662), (1968, 325501), (2032, 315249), (2563, 249936), (2706, 236728), (2794, 229272), (2796, 229108), (3048, 210166), (3608, 177546), (3728, 171831), (4191, 152848), (5126, 124968), (5207, 123024), (5412, 118364), (5588, 114636), (5592, 114554), (6096, 105083), (7216, 88773), (7689, 83312), (8382, 76424), (9553, 67056), (10252, 62484), (10414, 61512), (10824, 59182), (11176, 57318), (11184, 57277), (15378, 41656), (15621, 41008), (16764, 38212), (19106, 33528), (20504, 31242), (20828, 30756), (21648, 29591), (22352, 28659)]