78620360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21599}}^1$

素因数の和:21630

約数の個数: 64

約数和(自身を含む): 217728000

約数和(自身を除く): 139107640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 21599, 43198, 86396, 107995, 151193, 172792, 215990, 280787, 302386, 431980, 561574, 604772, 755965, 863960, 1123148, 1209544, 1403935, 1511930, 1965509, 2246296, 2807870, 3023860, 3931018, 5615740, 6047720, 7862036, 9827545, 11231480, 15724072, 19655090, 39310180, 78620360]

約数ペア:

[(1, 78620360), (2, 39310180), (4, 19655090), (5, 15724072), (7, 11231480), (8, 9827545), (10, 7862036), (13, 6047720), (14, 5615740), (20, 3931018), (26, 3023860), (28, 2807870), (35, 2246296), (40, 1965509), (52, 1511930), (56, 1403935), (65, 1209544), (70, 1123148), (91, 863960), (104, 755965), (130, 604772), (140, 561574), (182, 431980), (260, 302386), (280, 280787), (364, 215990), (455, 172792), (520, 151193), (728, 107995), (910, 86396), (1820, 43198), (3640, 21599)]