640988304

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^3\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 160

約数和(自身を含む): 1858928640

約数和(自身を除く): 1217940336

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 79, 88, 121, 127, 132, 158, 176, 237, 242, 254, 264, 316, 363, 381, 474, 484, 508, 528, 632, 726, 762, 869, 948, 968, 1016, 1264, 1331, 1397, 1452, 1524, 1738, 1896, 1936, 2032, 2607, 2662, 2794, 2904, 3048, 3476, 3792, 3993, 4191, 5214, 5324, 5588, 5808, 6096, 6952, 7986, 8382, 9559, 10033, 10428, 10648, 11176, 13904, 15367, 15972, 16764, 19118, 20066, 20856, 21296, 22352, 28677, 30099, 30734, 31944, 33528, 38236, 40132, 41712, 46101, 57354, 60198, 61468, 63888, 67056, 76472, 80264, 92202, 105149, 110363, 114708, 120396, 122936, 152944, 160528, 169037, 184404, 210298, 220726, 229416, 240792, 245872, 315447, 331089, 338074, 368808, 420596, 441452, 458832, 481584, 507111, 630894, 662178, 676148, 737616, 841192, 882904, 1014222, 1213993, 1261788, 1324356, 1352296, 1682384, 1765808, 2028444, 2427986, 2523576, 2648712, 2704592, 3641979, 4056888, 4855972, 5047152, 5297424, 7283958, 8113776, 9711944, 13353923, 14567916, 19423888, 26707846, 29135832, 40061769, 53415692, 58271664, 80123538, 106831384, 160247076, 213662768, 320494152, 640988304]

約数ペア:

[(1, 640988304), (2, 320494152), (3, 213662768), (4, 160247076), (6, 106831384), (8, 80123538), (11, 58271664), (12, 53415692), (16, 40061769), (22, 29135832), (24, 26707846), (33, 19423888), (44, 14567916), (48, 13353923), (66, 9711944), (79, 8113776), (88, 7283958), (121, 5297424), (127, 5047152), (132, 4855972), (158, 4056888), (176, 3641979), (237, 2704592), (242, 2648712), (254, 2523576), (264, 2427986), (316, 2028444), (363, 1765808), (381, 1682384), (474, 1352296), (484, 1324356), (508, 1261788), (528, 1213993), (632, 1014222), (726, 882904), (762, 841192), (869, 737616), (948, 676148), (968, 662178), (1016, 630894), (1264, 507111), (1331, 481584), (1397, 458832), (1452, 441452), (1524, 420596), (1738, 368808), (1896, 338074), (1936, 331089), (2032, 315447), (2607, 245872), (2662, 240792), (2794, 229416), (2904, 220726), (3048, 210298), (3476, 184404), (3792, 169037), (3993, 160528), (4191, 152944), (5214, 122936), (5324, 120396), (5588, 114708), (5808, 110363), (6096, 105149), (6952, 92202), (7986, 80264), (8382, 76472), (9559, 67056), (10033, 63888), (10428, 61468), (10648, 60198), (11176, 57354), (13904, 46101), (15367, 41712), (15972, 40132), (16764, 38236), (19118, 33528), (20066, 31944), (20856, 30734), (21296, 30099), (22352, 28677)]