1285289910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1489}}^1$

素因数の和:1667

約数の個数: 128

約数和(自身を含む): 3604608000

約数和(自身を除く): 2319318090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 139, 207, 230, 270, 278, 345, 414, 417, 621, 690, 695, 834, 1035, 1242, 1251, 1390, 1489, 2070, 2085, 2502, 2978, 3105, 3197, 3753, 4170, 4467, 6210, 6255, 6394, 7445, 7506, 8934, 9591, 12510, 13401, 14890, 15985, 18765, 19182, 22335, 26802, 28773, 31970, 34247, 37530, 40203, 44670, 47955, 57546, 67005, 68494, 80406, 86319, 95910, 102741, 134010, 143865, 171235, 172638, 201015, 205482, 206971, 287730, 308223, 342470, 402030, 413942, 431595, 513705, 616446, 620913, 863190, 924669, 1027410, 1034855, 1241826, 1541115, 1849338, 1862739, 2069710, 3082230, 3104565, 3725478, 4623345, 4760333, 5588217, 6209130, 9246690, 9313695, 9520666, 11176434, 14280999, 18627390, 23801665, 27941085, 28561998, 42842997, 47603330, 55882170, 71404995, 85685994, 128528991, 142809990, 214214985, 257057982, 428429970, 642644955, 1285289910]

約数ペア:

[(1, 1285289910), (2, 642644955), (3, 428429970), (5, 257057982), (6, 214214985), (9, 142809990), (10, 128528991), (15, 85685994), (18, 71404995), (23, 55882170), (27, 47603330), (30, 42842997), (45, 28561998), (46, 27941085), (54, 23801665), (69, 18627390), (90, 14280999), (115, 11176434), (135, 9520666), (138, 9313695), (139, 9246690), (207, 6209130), (230, 5588217), (270, 4760333), (278, 4623345), (345, 3725478), (414, 3104565), (417, 3082230), (621, 2069710), (690, 1862739), (695, 1849338), (834, 1541115), (1035, 1241826), (1242, 1034855), (1251, 1027410), (1390, 924669), (1489, 863190), (2070, 620913), (2085, 616446), (2502, 513705), (2978, 431595), (3105, 413942), (3197, 402030), (3753, 342470), (4170, 308223), (4467, 287730), (6210, 206971), (6255, 205482), (6394, 201015), (7445, 172638), (7506, 171235), (8934, 143865), (9591, 134010), (12510, 102741), (13401, 95910), (14890, 86319), (15985, 80406), (18765, 68494), (19182, 67005), (22335, 57546), (26802, 47955), (28773, 44670), (31970, 40203), (34247, 37530)]