90475140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{215417}}^1$

素因数の和:215436

約数の個数: 48

約数和(自身を含む): 289521792

約数和(自身を除く): 199046652

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, 215417, 430834, 646251, 861668, 1077085, 1292502, 1507919, 2154170, 2585004, 3015838, 3231255, 4308340, 4523757, 6031676, 6462510, 7539595, 9047514, 12925020, 15079190, 18095028, 22618785, 30158380, 45237570, 90475140]

約数ペア:

[(1, 90475140), (2, 45237570), (3, 30158380), (4, 22618785), (5, 18095028), (6, 15079190), (7, 12925020), (10, 9047514), (12, 7539595), (14, 6462510), (15, 6031676), (20, 4523757), (21, 4308340), (28, 3231255), (30, 3015838), (35, 2585004), (42, 2154170), (60, 1507919), (70, 1292502), (84, 1077085), (105, 861668), (140, 646251), (210, 430834), (420, 215417)]