68742660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163673}}^1$

素因数の和:163692

約数の個数: 48

約数和(自身を含む): 219977856

約数和(自身を除く): 151235196

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, 163673, 327346, 491019, 654692, 818365, 982038, 1145711, 1636730, 1964076, 2291422, 2455095, 3273460, 3437133, 4582844, 4910190, 5728555, 6874266, 9820380, 11457110, 13748532, 17185665, 22914220, 34371330, 68742660]

約数ペア:

[(1, 68742660), (2, 34371330), (3, 22914220), (4, 17185665), (5, 13748532), (6, 11457110), (7, 9820380), (10, 6874266), (12, 5728555), (14, 4910190), (15, 4582844), (20, 3437133), (21, 3273460), (28, 2455095), (30, 2291422), (35, 1964076), (42, 1636730), (60, 1145711), (70, 982038), (84, 818365), (105, 654692), (140, 491019), (210, 327346), (420, 163673)]