30724240

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5261}}^1$

素因数の和:5347

約数の個数: 40

約数和(自身を含む): 72426168

約数和(自身を除く): 41701928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5261, 5840, 10522, 21044, 26305, 42088, 52610, 84176, 105220, 210440, 384053, 420880, 768106, 1536212, 1920265, 3072424, 3840530, 6144848, 7681060, 15362120, 30724240]

約数ペア:

[(1, 30724240), (2, 15362120), (4, 7681060), (5, 6144848), (8, 3840530), (10, 3072424), (16, 1920265), (20, 1536212), (40, 768106), (73, 420880), (80, 384053), (146, 210440), (292, 105220), (365, 84176), (584, 52610), (730, 42088), (1168, 26305), (1460, 21044), (2920, 10522), (5261, 5840)]