245503860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{887}}^1$

素因数の和:1565

約数の個数: 96

約数和(自身を含む): 787691520

約数和(自身を除く): 542187660

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, 659, 887, 1318, 1774, 1977, 2636, 2661, 3295, 3548, 3954, 4435, 4613, 5322, 6209, 6590, 7908, 8870, 9226, 9885, 10644, 12418, 13180, 13305, 13839, 17740, 18452, 18627, 19770, 23065, 24836, 26610, 27678, 31045, 37254, 39540, 46130, 53220, 55356, 62090, 69195, 74508, 92260, 93135, 124180, 138390, 186270, 276780, 372540, 584533, 1169066, 1753599, 2338132, 2922665, 3507198, 4091731, 5845330, 7014396, 8183462, 8767995, 11690660, 12275193, 16366924, 17535990, 20458655, 24550386, 35071980, 40917310, 49100772, 61375965, 81834620, 122751930, 245503860]

約数ペア:

[(1, 245503860), (2, 122751930), (3, 81834620), (4, 61375965), (5, 49100772), (6, 40917310), (7, 35071980), (10, 24550386), (12, 20458655), (14, 17535990), (15, 16366924), (20, 12275193), (21, 11690660), (28, 8767995), (30, 8183462), (35, 7014396), (42, 5845330), (60, 4091731), (70, 3507198), (84, 2922665), (105, 2338132), (140, 1753599), (210, 1169066), (420, 584533), (659, 372540), (887, 276780), (1318, 186270), (1774, 138390), (1977, 124180), (2636, 93135), (2661, 92260), (3295, 74508), (3548, 69195), (3954, 62090), (4435, 55356), (4613, 53220), (5322, 46130), (6209, 39540), (6590, 37254), (7908, 31045), (8870, 27678), (9226, 26610), (9885, 24836), (10644, 23065), (12418, 19770), (13180, 18627), (13305, 18452), (13839, 17740)]