1528508720

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{313219}}^1$

素因数の和:313293

約数の個数: 40

約数和(自身を含む): 3612053040

約数和(自身を除く): 2083544320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 313219, 626438, 1252876, 1566095, 2505752, 3132190, 5011504, 6264380, 12528760, 19106359, 25057520, 38212718, 76425436, 95531795, 152850872, 191063590, 305701744, 382127180, 764254360, 1528508720]

約数ペア:

[(1, 1528508720), (2, 764254360), (4, 382127180), (5, 305701744), (8, 191063590), (10, 152850872), (16, 95531795), (20, 76425436), (40, 38212718), (61, 25057520), (80, 19106359), (122, 12528760), (244, 6264380), (305, 5011504), (488, 3132190), (610, 2505752), (976, 1566095), (1220, 1252876), (2440, 626438), (4880, 313219)]