201808120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2027}}^1$

素因数の和:2188

約数の個数: 64

約数和(自身を含む): 481852800

約数和(自身を除く): 280044680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 131, 152, 190, 262, 380, 524, 655, 760, 1048, 1310, 2027, 2489, 2620, 4054, 4978, 5240, 8108, 9956, 10135, 12445, 16216, 19912, 20270, 24890, 38513, 40540, 49780, 77026, 81080, 99560, 154052, 192565, 265537, 308104, 385130, 531074, 770260, 1062148, 1327685, 1540520, 2124296, 2655370, 5045203, 5310740, 10090406, 10621480, 20180812, 25226015, 40361624, 50452030, 100904060, 201808120]

約数ペア:

[(1, 201808120), (2, 100904060), (4, 50452030), (5, 40361624), (8, 25226015), (10, 20180812), (19, 10621480), (20, 10090406), (38, 5310740), (40, 5045203), (76, 2655370), (95, 2124296), (131, 1540520), (152, 1327685), (190, 1062148), (262, 770260), (380, 531074), (524, 385130), (655, 308104), (760, 265537), (1048, 192565), (1310, 154052), (2027, 99560), (2489, 81080), (2620, 77026), (4054, 49780), (4978, 40540), (5240, 38513), (8108, 24890), (9956, 20270), (10135, 19912), (12445, 16216)]