1640691855

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1433}}^1$

素因数の和:1718

約数の個数: 80

約数和(自身を含む): 3223196064

約数和(自身を除く): 1582504209

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 257, 297, 405, 495, 771, 891, 1285, 1433, 1485, 2313, 2827, 3855, 4299, 4455, 6939, 7165, 8481, 11565, 12897, 14135, 15763, 20817, 21495, 25443, 34695, 38691, 42405, 47289, 64485, 76329, 78815, 104085, 116073, 127215, 141867, 193455, 228987, 236445, 368281, 381645, 425601, 580365, 709335, 1104843, 1144935, 1276803, 1841405, 2128005, 3314529, 4051091, 5524215, 6384015, 9943587, 12153273, 16572645, 20255455, 29830761, 36459819, 49717935, 60766365, 109379457, 149153805, 182299095, 328138371, 546897285, 1640691855]

約数ペア:

[(1, 1640691855), (3, 546897285), (5, 328138371), (9, 182299095), (11, 149153805), (15, 109379457), (27, 60766365), (33, 49717935), (45, 36459819), (55, 29830761), (81, 20255455), (99, 16572645), (135, 12153273), (165, 9943587), (257, 6384015), (297, 5524215), (405, 4051091), (495, 3314529), (771, 2128005), (891, 1841405), (1285, 1276803), (1433, 1144935), (1485, 1104843), (2313, 709335), (2827, 580365), (3855, 425601), (4299, 381645), (4455, 368281), (6939, 236445), (7165, 228987), (8481, 193455), (11565, 141867), (12897, 127215), (14135, 116073), (15763, 104085), (20817, 78815), (21495, 76329), (25443, 64485), (34695, 47289), (38691, 42405)]