30617720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2543}}^1$

素因数の和:2604

約数の個数: 64

約数和(自身を含む): 80593920

約数和(自身を除く): 49976200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 2543, 3010, 5086, 6020, 10172, 12040, 12715, 17801, 20344, 25430, 35602, 50860, 71204, 89005, 101720, 109349, 142408, 178010, 218698, 356020, 437396, 546745, 712040, 765443, 874792, 1093490, 1530886, 2186980, 3061772, 3827215, 4373960, 6123544, 7654430, 15308860, 30617720]

約数ペア:

[(1, 30617720), (2, 15308860), (4, 7654430), (5, 6123544), (7, 4373960), (8, 3827215), (10, 3061772), (14, 2186980), (20, 1530886), (28, 1093490), (35, 874792), (40, 765443), (43, 712040), (56, 546745), (70, 437396), (86, 356020), (140, 218698), (172, 178010), (215, 142408), (280, 109349), (301, 101720), (344, 89005), (430, 71204), (602, 50860), (860, 35602), (1204, 25430), (1505, 20344), (1720, 17801), (2408, 12715), (2543, 12040), (3010, 10172), (5086, 6020)]