330442980

素因数分解:

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

素因数の和:1793

約数の個数: 72

約数和(自身を含む): 1058611008

約数和(自身を除く): 728168028

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, 887, 1774, 2661, 3548, 4435, 5322, 6209, 8870, 10644, 12418, 13305, 17740, 18627, 24836, 26610, 31045, 37254, 53220, 62090, 74508, 93135, 124180, 186270, 372540, 786769, 1573538, 2360307, 3147076, 3933845, 4720614, 5507383, 7867690, 9441228, 11014766, 11801535, 15735380, 16522149, 22029532, 23603070, 27536915, 33044298, 47206140, 55073830, 66088596, 82610745, 110147660, 165221490, 330442980]

約数ペア:

[(1, 330442980), (2, 165221490), (3, 110147660), (4, 82610745), (5, 66088596), (6, 55073830), (7, 47206140), (10, 33044298), (12, 27536915), (14, 23603070), (15, 22029532), (20, 16522149), (21, 15735380), (28, 11801535), (30, 11014766), (35, 9441228), (42, 7867690), (60, 5507383), (70, 4720614), (84, 3933845), (105, 3147076), (140, 2360307), (210, 1573538), (420, 786769), (887, 372540), (1774, 186270), (2661, 124180), (3548, 93135), (4435, 74508), (5322, 62090), (6209, 53220), (8870, 37254), (10644, 31045), (12418, 26610), (13305, 24836), (17740, 18627)]