327281640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{389621}}^1$

素因数の和:389642

約数の個数: 64

約数和(自身を含む): 1122111360

約数和(自身を除く): 794829720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 389621, 779242, 1168863, 1558484, 1948105, 2337726, 2727347, 3116968, 3896210, 4675452, 5454694, 5844315, 7792420, 8182041, 9350904, 10909388, 11688630, 13636735, 15584840, 16364082, 21818776, 23377260, 27273470, 32728164, 40910205, 46754520, 54546940, 65456328, 81820410, 109093880, 163640820, 327281640]

約数ペア:

[(1, 327281640), (2, 163640820), (3, 109093880), (4, 81820410), (5, 65456328), (6, 54546940), (7, 46754520), (8, 40910205), (10, 32728164), (12, 27273470), (14, 23377260), (15, 21818776), (20, 16364082), (21, 15584840), (24, 13636735), (28, 11688630), (30, 10909388), (35, 9350904), (40, 8182041), (42, 7792420), (56, 5844315), (60, 5454694), (70, 4675452), (84, 3896210), (105, 3116968), (120, 2727347), (140, 2337726), (168, 1948105), (210, 1558484), (280, 1168863), (420, 779242), (840, 389621)]