1720509084

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{86423}}^1$

素因数の和:86519

約数の個数: 72

約数和(自身を含む): 5033333760

約数和(自身を除く): 3312824676

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1106, 1422, 1659, 2212, 2844, 3318, 4977, 6636, 9954, 19908, 86423, 172846, 259269, 345692, 518538, 604961, 777807, 1037076, 1209922, 1555614, 1814883, 2419844, 3111228, 3629766, 5444649, 6827417, 7259532, 10889298, 13654834, 20482251, 21778596, 27309668, 40964502, 47791919, 61446753, 81929004, 95583838, 122893506, 143375757, 191167676, 245787012, 286751514, 430127271, 573503028, 860254542, 1720509084]

約数ペア:

[(1, 1720509084), (2, 860254542), (3, 573503028), (4, 430127271), (6, 286751514), (7, 245787012), (9, 191167676), (12, 143375757), (14, 122893506), (18, 95583838), (21, 81929004), (28, 61446753), (36, 47791919), (42, 40964502), (63, 27309668), (79, 21778596), (84, 20482251), (126, 13654834), (158, 10889298), (237, 7259532), (252, 6827417), (316, 5444649), (474, 3629766), (553, 3111228), (711, 2419844), (948, 1814883), (1106, 1555614), (1422, 1209922), (1659, 1037076), (2212, 777807), (2844, 604961), (3318, 518538), (4977, 345692), (6636, 259269), (9954, 172846), (19908, 86423)]