647373060

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{399613}}^1$

素因数の和:399634

約数の個数: 60

約数和(自身を含む): 2030838348

約数和(自身を除く): 1383465288

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 399613, 799226, 1198839, 1598452, 1998065, 2397678, 3596517, 3996130, 4795356, 5994195, 7193034, 7992260, 10789551, 11988390, 14386068, 17982585, 21579102, 23976780, 32368653, 35965170, 43158204, 53947755, 64737306, 71930340, 107895510, 129474612, 161843265, 215791020, 323686530, 647373060]

約数ペア:

[(1, 647373060), (2, 323686530), (3, 215791020), (4, 161843265), (5, 129474612), (6, 107895510), (9, 71930340), (10, 64737306), (12, 53947755), (15, 43158204), (18, 35965170), (20, 32368653), (27, 23976780), (30, 21579102), (36, 17982585), (45, 14386068), (54, 11988390), (60, 10789551), (81, 7992260), (90, 7193034), (108, 5994195), (135, 4795356), (162, 3996130), (180, 3596517), (270, 2397678), (324, 1998065), (405, 1598452), (540, 1198839), (810, 799226), (1620, 399613)]