42469840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 113742720

約数和(自身を除く): 71272880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 181, 280, 362, 419, 560, 724, 838, 905, 1267, 1448, 1676, 1810, 2095, 2534, 2896, 2933, 3352, 3620, 4190, 5068, 5866, 6335, 6704, 7240, 8380, 10136, 11732, 12670, 14480, 14665, 16760, 20272, 23464, 25340, 29330, 33520, 46928, 50680, 58660, 75839, 101360, 117320, 151678, 234640, 303356, 379195, 530873, 606712, 758390, 1061746, 1213424, 1516780, 2123492, 2654365, 3033560, 4246984, 5308730, 6067120, 8493968, 10617460, 21234920, 42469840]

約数ペア:

[(1, 42469840), (2, 21234920), (4, 10617460), (5, 8493968), (7, 6067120), (8, 5308730), (10, 4246984), (14, 3033560), (16, 2654365), (20, 2123492), (28, 1516780), (35, 1213424), (40, 1061746), (56, 758390), (70, 606712), (80, 530873), (112, 379195), (140, 303356), (181, 234640), (280, 151678), (362, 117320), (419, 101360), (560, 75839), (724, 58660), (838, 50680), (905, 46928), (1267, 33520), (1448, 29330), (1676, 25340), (1810, 23464), (2095, 20272), (2534, 16760), (2896, 14665), (2933, 14480), (3352, 12670), (3620, 11732), (4190, 10136), (5068, 8380), (5866, 7240), (6335, 6704)]