42457520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10831}}^1$

素因数の和:10858

約数の個数: 60

約数和(自身を含む): 114840864

約数和(自身を除く): 72383344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10831, 21662, 43324, 54155, 75817, 86648, 108310, 151634, 173296, 216620, 303268, 379085, 433240, 530719, 606536, 758170, 866480, 1061438, 1213072, 1516340, 2122876, 2653595, 3032680, 4245752, 5307190, 6065360, 8491504, 10614380, 21228760, 42457520]

約数ペア:

[(1, 42457520), (2, 21228760), (4, 10614380), (5, 8491504), (7, 6065360), (8, 5307190), (10, 4245752), (14, 3032680), (16, 2653595), (20, 2122876), (28, 1516340), (35, 1213072), (40, 1061438), (49, 866480), (56, 758170), (70, 606536), (80, 530719), (98, 433240), (112, 379085), (140, 303268), (196, 216620), (245, 173296), (280, 151634), (392, 108310), (490, 86648), (560, 75817), (784, 54155), (980, 43324), (1960, 21662), (3920, 10831)]