2018560

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 5150880

約数和(自身を除く): 3132320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 83, 95, 128, 152, 160, 166, 190, 256, 304, 320, 332, 380, 415, 608, 640, 664, 760, 830, 1216, 1280, 1328, 1520, 1577, 1660, 2432, 2656, 3040, 3154, 3320, 4864, 5312, 6080, 6308, 6640, 7885, 10624, 12160, 12616, 13280, 15770, 21248, 24320, 25232, 26560, 31540, 50464, 53120, 63080, 100928, 106240, 126160, 201856, 252320, 403712, 504640, 1009280, 2018560]

約数ペア:

[(1, 2018560), (2, 1009280), (4, 504640), (5, 403712), (8, 252320), (10, 201856), (16, 126160), (19, 106240), (20, 100928), (32, 63080), (38, 53120), (40, 50464), (64, 31540), (76, 26560), (80, 25232), (83, 24320), (95, 21248), (128, 15770), (152, 13280), (160, 12616), (166, 12160), (190, 10624), (256, 7885), (304, 6640), (320, 6308), (332, 6080), (380, 5312), (415, 4864), (608, 3320), (640, 3154), (664, 3040), (760, 2656), (830, 2432), (1216, 1660), (1280, 1577), (1328, 1520)]