80491378380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191646139}}^1$

素因数の和:191646158

約数の個数: 48

約数和(自身を含む): 257572412160

約数和(自身を除く): 177081033780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 191646139, 383292278, 574938417, 766584556, 958230695, 1149876834, 1341522973, 1916461390, 2299753668, 2683045946, 2874692085, 3832922780, 4024568919, 5366091892, 5749384170, 6707614865, 8049137838, 11498768340, 13415229730, 16098275676, 20122844595, 26830459460, 40245689190, 80491378380]

約数ペア:

[(1, 80491378380), (2, 40245689190), (3, 26830459460), (4, 20122844595), (5, 16098275676), (6, 13415229730), (7, 11498768340), (10, 8049137838), (12, 6707614865), (14, 5749384170), (15, 5366091892), (20, 4024568919), (21, 3832922780), (28, 2874692085), (30, 2683045946), (35, 2299753668), (42, 1916461390), (60, 1341522973), (70, 1149876834), (84, 958230695), (105, 766584556), (140, 574938417), (210, 383292278), (420, 191646139)]