31981440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{16657}}^1$

素因数の和:16679

約数の個数: 64

約数和(自身を含む): 101946960

約数和(自身を除く): 69965520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 16657, 33314, 49971, 66628, 83285, 99942, 133256, 166570, 199884, 249855, 266512, 333140, 399768, 499710, 533024, 666280, 799536, 999420, 1066048, 1332560, 1599072, 1998840, 2132096, 2665120, 3198144, 3997680, 5330240, 6396288, 7995360, 10660480, 15990720, 31981440]

約数ペア:

[(1, 31981440), (2, 15990720), (3, 10660480), (4, 7995360), (5, 6396288), (6, 5330240), (8, 3997680), (10, 3198144), (12, 2665120), (15, 2132096), (16, 1998840), (20, 1599072), (24, 1332560), (30, 1066048), (32, 999420), (40, 799536), (48, 666280), (60, 533024), (64, 499710), (80, 399768), (96, 333140), (120, 266512), (128, 249855), (160, 199884), (192, 166570), (240, 133256), (320, 99942), (384, 83285), (480, 66628), (640, 49971), (960, 33314), (1920, 16657)]