1640703276

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{266521}}^1$

素因数の和:266556

約数の個数: 60

約数和(自身を含む): 4514882680

約数和(自身を除く): 2874179404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 6156, 266521, 533042, 799563, 1066084, 1599126, 2398689, 3198252, 4797378, 5063899, 7196067, 9594756, 10127798, 14392134, 15191697, 20255596, 21588201, 28784268, 30383394, 43176402, 45575091, 60766788, 86352804, 91150182, 136725273, 182300364, 273450546, 410175819, 546901092, 820351638, 1640703276]

約数ペア:

[(1, 1640703276), (2, 820351638), (3, 546901092), (4, 410175819), (6, 273450546), (9, 182300364), (12, 136725273), (18, 91150182), (19, 86352804), (27, 60766788), (36, 45575091), (38, 43176402), (54, 30383394), (57, 28784268), (76, 21588201), (81, 20255596), (108, 15191697), (114, 14392134), (162, 10127798), (171, 9594756), (228, 7196067), (324, 5063899), (342, 4797378), (513, 3198252), (684, 2398689), (1026, 1599126), (1539, 1066084), (2052, 799563), (3078, 533042), (6156, 266521)]