645994080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{448607}}^1$

素因数の和:448628

約数の個数: 72

約数和(自身を含む): 2204459712

約数和(自身を除く): 1558465632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 448607, 897214, 1345821, 1794428, 2243035, 2691642, 3588856, 4037463, 4486070, 5383284, 6729105, 7177712, 8074926, 8972140, 10766568, 13458210, 14355424, 16149852, 17944280, 20187315, 21533136, 26916420, 32299704, 35888560, 40374630, 43066272, 53832840, 64599408, 71777120, 80749260, 107665680, 129198816, 161498520, 215331360, 322997040, 645994080]

約数ペア:

[(1, 645994080), (2, 322997040), (3, 215331360), (4, 161498520), (5, 129198816), (6, 107665680), (8, 80749260), (9, 71777120), (10, 64599408), (12, 53832840), (15, 43066272), (16, 40374630), (18, 35888560), (20, 32299704), (24, 26916420), (30, 21533136), (32, 20187315), (36, 17944280), (40, 16149852), (45, 14355424), (48, 13458210), (60, 10766568), (72, 8972140), (80, 8074926), (90, 7177712), (96, 6729105), (120, 5383284), (144, 4486070), (160, 4037463), (180, 3588856), (240, 2691642), (288, 2243035), (360, 1794428), (480, 1345821), (720, 897214), (1440, 448607)]