648220680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1800613}}^1$

素因数の和:1800630

約数の個数: 48

約数和(自身を含む): 2106718380

約数和(自身を除く): 1458497700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1800613, 3601226, 5401839, 7202452, 9003065, 10803678, 14404904, 16205517, 18006130, 21607356, 27009195, 32411034, 36012260, 43214712, 54018390, 64822068, 72024520, 81027585, 108036780, 129644136, 162055170, 216073560, 324110340, 648220680]

約数ペア:

[(1, 648220680), (2, 324110340), (3, 216073560), (4, 162055170), (5, 129644136), (6, 108036780), (8, 81027585), (9, 72024520), (10, 64822068), (12, 54018390), (15, 43214712), (18, 36012260), (20, 32411034), (24, 27009195), (30, 21607356), (36, 18006130), (40, 16205517), (45, 14404904), (60, 10803678), (72, 9003065), (90, 7202452), (120, 5401839), (180, 3601226), (360, 1800613)]