30737320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 71539200

約数和(自身を除く): 40801880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 79, 137, 142, 158, 274, 284, 316, 355, 395, 548, 568, 632, 685, 710, 790, 1096, 1370, 1420, 1580, 2740, 2840, 3160, 5480, 5609, 9727, 10823, 11218, 19454, 21646, 22436, 28045, 38908, 43292, 44872, 48635, 54115, 56090, 77816, 86584, 97270, 108230, 112180, 194540, 216460, 224360, 389080, 432920, 768433, 1536866, 3073732, 3842165, 6147464, 7684330, 15368660, 30737320]

約数ペア:

[(1, 30737320), (2, 15368660), (4, 7684330), (5, 6147464), (8, 3842165), (10, 3073732), (20, 1536866), (40, 768433), (71, 432920), (79, 389080), (137, 224360), (142, 216460), (158, 194540), (274, 112180), (284, 108230), (316, 97270), (355, 86584), (395, 77816), (548, 56090), (568, 54115), (632, 48635), (685, 44872), (710, 43292), (790, 38908), (1096, 28045), (1370, 22436), (1420, 21646), (1580, 19454), (2740, 11218), (2840, 10823), (3160, 9727), (5480, 5609)]